Convotherm ошибка e58

6 Servicing procedures

6.2  Troubleshooting

6.2.1  Error codes

Errors and required responses

The following table lists the errors that you may be able to resolve yourself. If the combi steamer con‐

tinues to display the error after you have tried to resolve it, please contact customer service.

Always contact customer service for help if any error messages appear that are not listed here.

Error no.

E01.x

E02

E05

E10

E34.0

E58.0

E59.0

E81.0

E99

E99.9

User manual

Description of error

Low water

Temp. electrical area too high

no gas

Error from water filter

Boiler pump error

Error from cleaning-agent dispensing

pump

Error from rinse-aid dispensing pump

Cooking mode error

Communication lost

Initialization error

Required response

Switch on water supply / both water

supplies

Clean the fan grille located outside at

■

the bottom of the appliance

Clear air intake in base of appliance

■

Open the gas shut-off device and re‐

start the appliance

Replace the water treatment cartridge

Unplug the appliance for approx.

10 seconds then restart

Fill canister with the correct cleaning

■

agent and restart the appliance

Repeat as necessary until the tubes

■

are filled with cleaning agent

Fill canister with rinse aid and restart

■

the appliance

Repeat as necessary until the tubes

■

are filled with rinse aid

Download cooking profile again

Unplug the appliance for approx.

10 seconds then restart

Unplug the appliance for approx.

10 seconds then restart

108

FREE TUTORIAL VIDEOS

OEB OES	Shown   on display	Description
OGB
OGS
E24.0	Bypass probe	Bypass probe   malfunction
E25.0	Cond. probe	Condenser probe   malfunction
E26.0	STB DE probe	Safety   thermostat probe in steam   generator malfunction
E27.0	Overtemp. DE   heat.	Safety   thermostat over heating in steam generator
E29.0	Probe short   to frame	Ground contact of thermo couple
(defective)
E33.0	DE heating   failure	No   measurable increase in steam   generator temperature – Steam generator heating defective
E34.0	DE pump failure	Steam generator   pump defective
E80.0	ID error	all ID pins on   low or high (Connector X3)
E81.0	Prog. memory   error	Saved   programme parameter outside the valid area
E82.0	WP error	Current programme   parameter outside the valid area
E83.0	Algo. error	No dependable   cooking algorithmic
E89.0	I2C error	Identity module   defective
E95.0	Software error	Hardware and   software are incompatible
E96.0	Connection failure	Communication Control module –   Operation module
—	Low agent preassure	Pressure switch of the CONVOClean
system   does not
detect   any pressure

Flue Gas Analyzer
how to adjusting step   by step gas valve flue gas analyzer hot air burner and up and down with   proper tools.
Top   Burner
Min   Speed Max   Speed
02:   3.7% 02:   3.4%
CO:20   PPM CO:   29 PPM
Eff:   83.8% Eff:   76.7%
CO2:   10.1   % CO2:   9.9%
Temp:   307*F Temp:   616 *F
Co   (o): 22 PPM     Co (o) : 35 PPM
Bottom   Burner
Min   Speed Max   Speed
02:   3.1% 02:   3.4%
CO:18   PPM CO:   29 PPM
Eff:   84.8% Eff:   76.7%
CO2:   10.1   % CO2:   10.3%
Temp:   307*F Temp:   616 *F
Co   (o): 22 PPM     Co (o)
Note : These are the original readings, they were dialed   in afterwards, I can’t find the numbers from when it happened, need to be done with Flue Gas   Analyzer Meter

• Page 1
  Service Handbook OEB/OES/OGB/OGS CONVOTHERM Elektrogeräte GmbH Service Documents OEB / OES OGB / OGS Service Folder No.: (English) Name: Specifications are subject to change without notice. AS/11-2011 0_00e_Cover sheet_b.doc Page 1 / 1…

• Page 2: Installation Handbook

  6. Accessoires 7. Service Updates (info on the enclosed DVD) 8. Spare part lists (info on the enclosed DVD) 9. CONVOTHERM Service handling & contacts 10. CONVOTHERM Servicetraining 11. Wiring diagram (info on the enclosed DVD) 12. Current news (info on the enclosed DVD) AS / 07.11.2011…

• Page 3
  Service Handbook OEB/OES/OGB/OGS Acknowledgement Please fill out legibly and return to CONVOTHERM Customer Service Department. CONVOTHERM Elektrogeräte GmbH — Service – Department — Talstraße 35 82436 Untereglfing Germany Fax +49 8847 414 We hereby acknowledge receipt of a CONVOTHERM Service-Folder and confirm that we have taken note of the below mentioned copyright.

• Page 4: Table Of Contents

  Service Handbook OEB/OES/OGB/OGS Table of Contents Installation Handbook Unit Information OEB/OES/OGB/OGS 2.1 Control Panels OEB/OES/OGB/OGS 2.2 The closed system automatic steam and heat circulation 2.3 Basic settings (parallel to cooking programmes) 2.3.1a Standby mode for units with steam generator 2.3.1b Standby mode for units with direct injection 2.3.2 Outgoing water cooling 2.3.3 Demoisturizing in a Closed System (Crisp &…

• Page 5
  4.3.2 Half-automatic oven cleaning 4.3.3 Automatic Cleaning System CONVOClean system (Option) 4.3.4 Further cleaning measures 4.4 CONVOTHERM Descaling 4.4.1 Oven descaling in units with direct injection (OES / OGS) 4.4.2 Steam generator cleaning and descaling (nur bei OEB und OGB) 4.4.3 Unit parts descaling…
• Page 6
  Service Handbook OEB/OES/OGB/OGS Trouble shooting List and Error Codes Electronic 5.1 Error Codes 5.2 General 5.3 Steam Generator 5.4 Condenser 5.5 Motor 5.6 Electronic 5.7 Safety temperature probe Convection heating (B7) 5.8 Error diagnosis with help of the LEDs on the Controls (module self-checking) Service Instructions 6.1 Electronic Control Board installation…
• Page 7
  Service Handbook OEB/OES/OGB/OGS 6.10 Dummy operation for P3 – units 6.11 Condenser removal and installation 6.12 Door latch / Door contact switch removal and installation 6.13 Using the water analysis unit Article No.: 3019007 6.15 Sealing the Corners on the Door Gasket Frame 6.17 Inner and outer door replacement 6.20 Drip tray for overflow protection 6.21 Convection Heater removal and replacement…
• Page 8
  Service Handbook OEB/OES/OGB/OGS In this Service Handbook, the following pictures and depictions are used as important safety advice for the installer and to a certain extent for the user. The safety advice and especially the warnings are to be absolutely observed and followed. Bold print indicates important safety advice.
• Page 9
  Service Handbook OEB/OES/OGB/OGS Instructions Advice Information Check Special tool Tips and Tricks Cross reference AS/11-2011 0_02e_Depictions_b Page 2 / 2…
• Page 10
  Service Handbook OEB/OES/OGB/OGS  CONVOTHERM Telephone numbers Telephone (Main): (+49) (0) 8847 — 67 0 Fax: (+49) (0) 8847 — 414 — 67 191 Sales Domestic: CONVOTHERM Elektrogeräte (+49) (0) 8847 — 67 0 Talstr. 35 82436 Eglfing e – mail info@convotherm.de…
• Page 11
  Service Handbook OEB/OES/OGB/OGS Safety Advice Improper positioning, installation, setting, training, service or maintenance, as well as changes on the unit can cause injuries that could lead to death of the installer or operator and also lead to damage on the unit. Please note that any improper performance regarding the above, invalidates the guarantee.
• Page 12
   Observe the weight of the unit: Electric units Gas units CONVOTHERM OES / OEB 6.10: 170 kg CONVOTHERM OGS / OGB 6.10: 170 kg CONVOTHERM OES / OEB 6.20: 220 kg CONVOTHERM OGS / OGB 6.20: 220 kg CONVOTHERM OES / OEB10.10: 215 kg CONVOTHERM OGS / OGB10.10: 215 kg…
• Page 13
  Commit yourself to environmental protection with us, so that together we can work to avoid waste in the future. When shipping to CONVOTHERM use only organic material. A complete avoidance of waste is not possible. However, there are advantages to making an effort at reduction, that when done together can make it financially worth our while.

• Page 14: Control Panels Oeb/Oes/Ogb/Ogs

  Start / Stop Cookbook (Choose recipe) Mr.C Writing / Editing (in Cookbook) 10 = reduced power (Option for CONVOTHERM OES and OGS) 11 = Burner or heater on reduced fan speed (Option for CONVOTHERM OES and OGS) 13 = Cooking mode 14 = Button lock 15 = Crisp &…

• Page 15: The Closed System Automatic Steam And Heat Circulation

  25 = Immersion heating element / Steam generator 13 = Condenser outlet heat exchanger 26 = Pump for draining the steam generator 14 = Condenser over flow Information: Advantages of the original CONVOTHERM CLOSED SYSTEM  Greater steam and temperature saturation  More intensive heat transfer …

• Page 16: Basic Settings (Parallel To Cooking Programmes)

  Service Handbook OEB/OES/OGB/OGS Basic settings (parallel to cooking programmes) 2.3.1a Standby mode for units with steam generator Information: After switching on, the steam generator 4 is automatically filled with water and preheated.  Solenoid valve Y3 7 opens; water flows through the injection nozzle 10 and the back flow protection 9 in the steam generator 4.

• Page 17: Standby Mode For Units With Direct Injection

  Service Handbook OEB/OES/OGB/OGS Notice:  The control loop of the cooking programme has priority over the standby mode of the steam generator. This means, for example, that the convection programme selected temperature will be attained first, before the steam generator standby mode temperature is attained. …

• Page 18: Outgoing Water Cooling

  Service Handbook OEB/OES/OGB/OGS Basic settings (parallel to cooking programmes) 2.3.2 Outgoing water cooling 1 = Demoisturizing tub 9 = Bypass pipe 2 = Oven drain with Condenser connection 10 = Condenser over flow 3 = Oven floor 11 = Condenser drain 4 = Water inlet Condenser cooling 12 = Cold water injection Condenser 5 = Water drainage Door drip tray…

• Page 19: Demoisturizing In A Closed System (Crisp & Tasty)

  Service Handbook OEB/OES/OGB/OGS Basic Settings (parallel to cooking programmes) 2.3.3 Demoisturizing in a Closed System (Crisp & Tasty) 1 = Oven drain 7 = Demoisturizing tub 2 = Oven floor 8 = Control module (SM) 3 = Solenoid valve Demoisturizing Y2 9 = Condenser 4 = Water inlet Demoisturizing 10 = Condenser over flow…

• Page 20
  Service Handbook OEB/OES/OGB/OGS Information – Functioning principle of Demoisturization: The injection of water creates a cold water ‚curtain‘, on which the oven atmosphere moisture can condensate, then according to the Venturi Prinziple, the moisture from the oven is suctioned out and re-condensed into water that the cover 6 of the demoisturizing tub 7 cools, so that this additional steam condensation, additionally cools the condenser 9 water.

• Page 21: Steam Generator Draining And Rinsing

  Service Handbook OEB/OES/OGB/OGS Basic settings 2.3.4 Steam generator draining and rinsing 1 = Steam generator Water level probe 2 = Steam generator heating / heat exchanger Steam generator probe B4 3 = Condenser 10 Cooling hose 4 = Water inlet Condenser cooling 11 Water inlet Steam generator 5 = Condenser probe B3 filling…

• Page 22
  Service Handbook OEB/OES/OGB/OGS Check:  Noise, Water flowing out of the drain Notice:  If the pumping circulation is not performed correctly, the unit will go into error operation via  Error code E34. Before that, the pump will attempt through cyclic work (shaking cycles) to correct the cause of the error (to shake the pump free).

• Page 23: Automatic Cleaning (Optional)

  Service Handbook OEB/OES/OGB/OGS Basic Settings 2.3.5 Automatic Cleaning (optional) 1 = Suction panel Injection nozzle Cleaner 2 = Cleaning pipes Injection nozzle Water 3 = Sprinkler Nozzle Water Pumping box (under the unit) 4 = Rotor Nozzle Cleaner 5 = Water pipes 6 = Additional Water pipes (only in X.20-units) Information: …

• Page 24
  Service Handbook OEB/OES/OGB/OGS Information  Automatic Cleaning process: In automatic cleaning, various processes in the unit are called up/applied. This is why it is an optimal time to check all operations in the units, as to whether all the processes are functioning freely. Check: Is the water tap open/water level regulation functioning? …

• Page 25: Water Flow Plan

  Service Handbook OEB/OES/OGB/OGS Basic Settings 2.3.6 Water Flow plan Unit with steam generator 1 = Injection nozzle Water (CONVOClean 18 = Suction panel system) 19 = Condenser 2 = Injection nozzle Cleaner (CONVOClean 20 = Demoisturizing nozzle system) 21 = Demoisturizing tub 3 = Pressure compensation valve (Low pressure Bypass pipe 22 =…

• Page 26
  Service Handbook OEB/OES/OGB/OGS Unit with direct injection 1 = Injection nozzle Water (CONVOClean 18 = Suction panel system) 19 = Condenser 2 = Injection nozzle Cleaner (CONVOClean 20 = Demoisturizing nozzle system) 21 = Demoisturizing tub 3 = Pressure compensation valve (Low Bypass pipe 22 = pressure protection)

• Page 27: Safety Settings (Parallel To Cooking Programmes)

  Service Handbook OEB/OES/OGB/OGS Safety Settings (parallel to cooking programmes) 2.4.1 Door safety switch and Motor break 1 = Control module SM 8 = Door latch 2 = Fan motor 9 = Door catch 3 = Convection heat exchanger 10 = Worm (Door handle locking mechanism) 4 = Convection heating 11 = Door magnet…

• Page 28
  Service Handbook OEB/OES/OGB/OGS Information:  The Steam generator Standby mode and the Condenser cooling are maintained.  After the door is closed, the cooking process resumes automatically again and the relevant processes are switched on. Safety: Caution Steam !  When opening the oven door, proceed as follows: Turn Door latch to horizontal position (Airing position).

• Page 29: Electronic Safety Switches

  Service Handbook OEB/OES/OGB/OGS Safety settings (parallel to cooking programmes) 2.4.2 Electronic safety switches Legend to the principle drawings (valid for all units) 1 = Oven lamp 11 = Pressure switch S2 – CONVOClean system 2 = Fan motor 12 = Pressure switch S1 of the Direct 3 = Convection heat exchanger injection 4 = Convection heating…

• Page 30
  Service Handbook OEB/OES/OGB/OGS Gas units with Steam generator (OGB) Gas units with Direct injection (OGS) Information: The electronic controls 10 / 16 can check the following sources of problems:  Low water level in steam generator ( Measuring pin of the water level probe B1/rd) …
• Page 31
  Service Handbook OEB/OES/OGB/OGS  Service area excess temperature (Controls 10)  additional fan switches on at 45°C and off at 41°C . On gas units the additional fan runs constantly, when the unit is switched on.  Low water on pressure switch S1 12 of the solenoid valve Y4 (Steam generating through water injection) …

• Page 32: Electrical Safety Switches

  Service Handbook OEB/OES/OGB/OGS Safety switches (parallel to cooking programmes) 2.4.3 Electrical safety switches Electric units Gas units 1 = Main contactor 2 = Control module (SM) or Gas module (GM) 3 = Steam generator automatic firing N21 5 = Gas valve Convection burner 4 = Convection automatic firing N20 and 6 = Gas valve Steam generator burner Information:…

• Page 33
  Service Handbook OEB/OES/OGB/OGS  The capillary probe with safety thermostat B7.2 (only in OGB): switches the gas valve in the automatic firing N21 3 off when a critical temperautre in the steam generator is reached. Thereby the blowing burner U2 is no longer supplied with gas and switches off. From STB B7.1 alone, no error code is produced, the error is registered from the automatic firing and sent to the controls.

• Page 34: Functioning Of The Cooking Programmes

  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.1a Steaming at 100°C in units with steam generator (OEB/OGB) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating…

• Page 35
  Service Handbook OEB/OES/OGB/OGS 2.5.1b Steaming at 100°C in units with direct injection (OES/OGS) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor 13 = Pressure regulator…
• Page 36
  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.2a Steaming under 100°C in units with steam generator (OEB/OGB) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating…
• Page 37
  Service Handbook OEB/OES/OGB/OGS 2.5.2b Steaming under 100°C in units with direct injection (OES/OGS) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor 13 = Pressure regulator…

• Page 38: Superheated Steam And Steaming Over 100°C

  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.3a Superheated Steam and Steaming over 100°C in units with steam generator (OEB/OGB) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating…
• Page 39
  Service Handbook OEB/OES/OGB/OGS Information: The Steaming over 100°C mode differs from the Superheated steam programme only by virtue of its restricted nominal temperature range from 101 — 120 °C. In comparison with normal steaming, more intensive cooking occurs due to the higher steam temperature. The bypass nominal value in Quick steaming is set separately in Service programme c09.
• Page 40
  Service Handbook OEB/OES/OGB/OGS 2.5.3b Superheated Steam and Steam over 100°C in units with direct injection (OES/OGS) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor…
• Page 41
  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.4a Convection in units with steam generator (OEB/OGB) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor…
• Page 42
  Service Handbook OEB/OES/OGB/OGS 2.5.4b Convection in units with direct injection (OES/OGS) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor 13 = Pressure regulator 14 = Manometer…
• Page 43
  Servicehandbuch OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.5a Regeneration in units with steam generator (OEB/OGB) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor 13 = Steam generator heating…
• Page 44
  Servicehandbuch OEB/OES/OGB/OGS 2.5.5b Regeneration in units with direct injection (OES/OGS) Pressure compensation valve Fan wheel Oven chamber Steam and air circulation Bypass pipe Convection heat exchanger Demoisturizing tub Hydraulic seal in condenser Demoisturizing nozzle 10 = Condenser cooling 11 = Convection heating 12 = Fan motor 13 = Pressure regulator 14 = Manometer…
• Page 45
  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.6 Delta-T cooking Start cooking programme Set core temperature reached T = Difference between oven temperature and core temperature Information: With Delta-T cooking it is necessary to work closely with the core temperature because the oven temperature is dependent on a gradually increasing core temperature.

• Page 46: Cook & Hold

  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programmes 2.5.7 Cook & Hold Cook-Phase Hold-Phase Maturing Stop Selected End- core temp = Hold temp Start Oven Switching from Cook to Hold by Serve ready max. Warm- preheated swtiching core temperature hold time Information: The Cook &…

• Page 47: Steaming At 100°C

  Service Handbook OEB/OES/OGB/OGS Functioning of the cooking programms 2.5.8a Overview Chart: Processes and probes in units with steam generator 2 = Fan Wheel 6 = Convection heat exchanger 11 = Convection heating 12 = Fan motor 13 = Steam generator heating 14 = Steam generator heat exchanger Steaming at —…

• Page 48: Overview Chart: Processes And Probes In Units With Direct Injection

  Service Handbook OEB/OES/OGB/OGS 2.5.8b Overview Chart: Processes and Probes in units with direct injection 2 = Fan wheel 6 = Convection heat exchanger 11 = Convection heating 12 = Fan motor 17 = Injection Steaming at Always Always Active at —…

• Page 49: Gas Technology

  Service Handbook OEB/OES/OGB/OGS Gas technology 2.6.1 Features Information:  Advanced high performance blower burner  New burner for the convection heat exchanger and the steam generator heat exchanger  100 % pre-mixed combustion gas in burner  High safety standards …

• Page 50
  Service Handbook OEB/OES/OGB/OGS 2.6.2 Description of components Information: Burner (tube) The knitted metal fiber material is welded onto a metallic tube, which makes possible a closed burner structure, without the use of complex fittings. The metallic character of the burner supports flame recognition and makes it considerably more robust / reliable than the usual ceramic burner system.

• Page 51: Error Codes

  2.6.3 Venturi-High performance burner system Information: Description of the burner principle The CONVOTHERM Venturi-High performance burner system is dependent on the speed of the blower motors, based on the Venturi principle, the correct amount of gas is suctioned via the gas valve.

• Page 52: Customer Service — Service Programme

  Service manual OEB/OES/OGB/OGS Customer service — Service programme Information: The appliance’s control electronics offer the possibility of calling up various operating modes and parameters internal to the programme and thereby identifying errors. Warning:  If changes to parameters in the service programme are outside the normal factory settings (default values), malfunctions may occur.

• Page 53
  Service manual OEB/OES/OGB/OGS Hints: The initial letters of the service numbers have the following meaning:  r— = read value  read access only  c— = control value  read and write access (function parameter)  d— = diagnosis value  is used for troubleshooting and function control: Cross reference: …
• Page 54
  Service manual OEB/OES/OGB/OGS      Software OM      Software CM     Software GM      not used      not used      not used …
• Page 55
  Service manual OEB/OES/OGB/OGS Only CONVOTHERM int. Option1 Only CONVOTHERM int. Option2      Restart hours      minut Restart mins.   Ignition attempts      999 001    …
• Page 56
  Service manual OEB/OES/OGB/OGS Test of the outputs Information: The controller offers the possibility of activating various outputs and various functions via the service numbers d04 — d24. As part of this these outputs can be checked and defects identified. Safety: Repeated triggering of certain actuators shortly after one another may permanently damage them!!! …
• Page 57
  Service manual OEB/OES/OGB/OGS Instruction: With selected service numbers call up the desired service point with the selector dial. 2. Using the button change to the service value. 3. Using the selector dial switch output on and off. Hints:  With the selection of d04 all function and status displays, the display and the frames of the buttons light up one after the other If a button is pressed, its position number appears in the display.
• Page 58
   In error mode all actuators are switched off, the buzzer sounds and the appliance goes into error mode. After confirmation of the error with the button, the CONVOTHERM can only be operated with the emergency programmes. Possible error messages:…
• Page 59
  Service manual OEB/OES/OGB/OGS Error Message in the Description OES OEB OES OGB OGS display 6.06 E11.0 Excessive temp. oven Excessive oven temperature E13.0 SG excessive temp. Excessive steam generator temperature (water foaming) E15.0 Excessive condenser Excessive condenser temperature temp. E16.0 Demoisturisation flap Error demoisturisation error…
• Page 60
  The controller has a so-called ’emergency mode’ so that the user can continue to use his CONVOTHERM in the case of an error which cannot be remedied in the short term. This allows the user restricted operation of the appliance despite having had an error message.

• Page 61: Emergency Programme

  Service manual OEB/OES/OGB/OGS Operation possible Emergency programme table: Operation no longer possible Error Message in Comments the display 6.06 E01.0 Not enough water up to up to up to No programme with 180°C 180°C 180°C steam E02.0 Elec. temp. too up to up to up to…

• Page 62
  Service manual OEB/OES/OGB/OGS Controller assignment diagram 3.5.1 Control module (CM) OEB — OES in the OEB and OES Communication port Article no. 5009315 OEB — OES 10 (-) not used not used not used STL SG OEB — OES Auxiliary fan (-) 12 (-) Auxiliary fan (+) 11 Condenser…
• Page 63
  Service manual OEB/OES/OGB/OGS Controller assignment diagram 3.5.2 Control module CM OGB — OGS with the OGB and OGS Communication port Article no. 5009315 OGB — OGS 10 (-) not used not used not used STL steam generator OGB — OGS Steam generator Auxiliary fan (-) 12 (-)
• Page 64
  Service manual OEB/OES/OGB/OGS Controller assignment diagram 3.5.3 Gas module GM with the OGB 8 TxD_M2_12V 7 RxD_M2_12V *² 6 12V, 25mA 5 Earth 4 TxD_M1_12V 3 RxD_M1_12V 2 12V, 25mA 1 Earth 12 Hot air 2 flame OK 11 Steam generator flame OK 10 Hot air 1 flame OK 1 12V 2 Earth…
• Page 65
  Service manual OEB/OES/OGB/OGS Controller assignment diagram 3.5.4 Control module CM with the OES 6.06 Communication port Article no. 5009315 10 (-) not used not used not used not used not used Auxiliary fan (-) 12 (-) Auxiliary fan (+) 11 Condenser 10 (-) Earth not used…
• Page 66
  Service manual OEB/OES/OGB/OGS 3.6 «easy Touch» — Basic settings service level 3.6.1 How to get to the basic settings service level Instructions: Press the three gear wheels on  The service level for the basic the screen settings appears Information: Meaning of the menu points Settings for pre-heating Set the desired operator programme, HACCP…
• Page 67
  Service manual OEB/OES/OGB/OGS Set the volume and the Change the password for melody for «End of various areas of the cooking time» and service level «Important information» Import and export data Play video sequences such as Cookbook, logs, such as cooking videos, service data operator training Save recipes for…
• Page 68
  Service manual OEB/OES/OGB/OGS 2. Date and time Press the “ Date/Time ” symbol  Use the «+» and «-» buttons to set on the screen the time and the date in the calendar. Confirm your settings by pressing «Save». 3. Sounds Press the “Sounds”…
• Page 69
  Service manual OEB/OES/OGB/OGS Press the «Sounds» tab to get to the tunes setting. Use the «arrow down» button to call up a list of possible tunes. You can test these using the «play» button. AS/11-2011 3_06e_Basic settings service level_et_c.doc Page 4 / 7…
• Page 70
  Service manual OEB/OES/OGB/OGS 3.6.3 How to work with the diagnosis system in the service programme Instructions: You are already in the basic settings service level To get to the service programme  Enter the password «1qaz» with press the «Service» symbol on the aid of the input keyboard and the screen confirm your selection by…
• Page 71
  Service manual OEB/OES/OGB/OGS Instructions: Target values and setting Actual values, operating hours parameters are shown in the counter, the switching status of «Settings» tab. If the target value additional actuators and the needs to be adjusted press the button for the SM update are relevant parameter and then the shown in the «I/O»…
• Page 72
  Service manual OEB/OES/OGB/OGS The «Individual» tab gives you In the «Gas» group actuators and the option of starting the parameters are shown which are appliance from the service also relevant for setting the programme. This is especially burner for gas appliances. necessary for the purpose of setting the burner for gas appliances.

• Page 73: Time Table For Necessary Cleaning Intervals

  Time table for necessary cleaning intervals Information:  Depending on the build up of dirt and the amount of intensive use, the CONVOTHERM should be cleaned regularly with original CONVOTHERM cleaning products and if necessary descaled. Thereby you will achieve: …

• Page 74
   Trouble free functioning Yearly Complete maintenance of the combination oven of the unit by a steamer CONVOTHERM trained Service technician. AS/11-2011 4_01e_Time table for necessary cleaning intervals_b Page 2 / 2…

• Page 75: Automatic Flushing Of The Steam Generator On Units With Steam Generator

   Please inform your customers of this!  Safety:  Daily flushing of the CONVOTHERM steam generator increases the lifespan of the steam generator heating / heat exchanger and prevents malfunctioning. Instructions: Switch unit on.

• Page 76: Cleaning The Unit

  Cleaning outer casing, Further cleaning measures 4.3.1 Cleaning the oven Information:  By cleaning the oven daily with the original CONVOTHERM cleaning solution, continuous quality cooking results are maintained as well as an extended lifespan of the unit.  In every new unit, the customer receives general information about the cleaning solution from CONVOTHERM and an order form …

• Page 77: Half-Automatic Oven Cleaning

   Cleaning and maintenance work can only be performed on a cold unit! Never spray into a hot oven with the hand shower! Allow CONVOTHERM to cool to under 100°C oven temperature.  When cleaning the CONVOTHERM never use a high pressure cleaner or water jet! …

• Page 78: Automatic Cleaning System Convoclean System (Option)

  After an electrical power loss, the oven will go into a flushing cycle.  If the safety questions are not answered within 5 seconds, the CONVOTHERM returns to the cleaning level questions and does not start.  If „low agent preassure“ lights up, than there is a malfunction. Check to see…

• Page 79
  Before starting, remove food rests or cooking residue from the oven to avoid blockage of the oven drain. Check that the containers for CONVOTHERM oven cleaner and spray solution are full. The containers must be full. The suction hose must be in the liquid.
• Page 80
  The lifespan of the hygenic plug-in gaskets is extremely dependent on regular cleaning and removal of grease and the oven cleaner products that are used. A maximum lifespan is reached when you use only the original CONVOTHERM cleaning products. Cleaning ventilation area Cleaning the ventilation area behind the suction panel must be performed according to the amount of build up.
• Page 81
  Service Handbook OEB/OES/OGB/OGS Spray ventilation area and back side of suction panel with original CONVOTHERM oven cleaner and allow to work for 10 minutes Afterwards thoroughly rinse the ventilation area and suction panel and in gas units the heat exchanger with the hand shower.

• Page 82: Further Cleaning Measures

   Clean dehumidification tub (Crisp & tasty): Remove the cover of the tub weekly. Clean food rest from tub and drain in oven. Spray with original CONVOTHERM oven cleaner and allow to work. Thoroughly flush with the hand shower. …

• Page 83: Convotherm Descaling

  Descaling the unit parts / -components, Instructions — Removing and assembling the unit parts / -components, Notice Information:  Depending on the quality of the water used in the CONVOTHERM, descaling can be necessary.  Descaling the oven in OES and OGS units can be performed by a technically experienced user following strict observance of the instructions.

• Page 84: Oven Descaling In Units With Direct Injection (Oes / Ogs)

  Information:  Clean the CONVOTHERM daily after operation and descale the oven regularly as needed. Otherwise, layers of grease and scale can build up, that are very difficult to remove..

• Page 85
  Using the hand shower, flush the oven thoroughly and intensively including behind the suction panel, fan wheel and the heat exchangers, all oven parts, the demoisturizing tub and the oven drain. Afterwards, clean (=neutralize) the oven with the original CONVOTHERM oven cleaner as follows: …

• Page 86: Steam Generator Cleaning And Descaling (Nur Bei Oeb Und Ogb)

  Service Handbook OEB/OES/OGB/OGS 4.4.2 Steam generator cleaning and descaling (only in OEB and OGB) Check: Descaling of the steam generator is necessary when the pins of the water level probe or the various steam generator openings (after removing a part) show evidence of heavy scaling or when the immersion heating element is burnt out due to heavy scaling.

• Page 87
  Do not inhale spray mist or vapors! Notice: Descaling solution  Vinegar or citrus acid are biodegradable.  Otherwise use only recommended Convotherm Descaling solutions  CONVOCal for normal scaling (with anti-foaming) CONVOCal forte  the stronger descaler for heavy scaling build up (with anti- …
• Page 88
  Attention: Before operating the CONVOTHERM unit, over fill the steam generator at least 7 x with clear water (with the hand shower in the steam outlet opening) and each time empty the steam generator afterwards with the help of the steam generator pump as described in Step 1.
• Page 89
   Vinegar or citrus acid is biodegradable.  Otherwise use only the Convotherm descaling solutions CONVOCal for normal descaling  can be used by the customer.  CONVOCal forte for heavy descaling  can only be used by trained technicians.
• Page 90
  Service Handbook OEB/OES/OGB/OGS Instructions – Removing and assembling the unit parts / components: The following unit parts / components can and should be removed and descaled. Proceed step-by-step as described in the previous instructions „Descaling the unit parts / components“. Injection pipe for direct injection …
• Page 91
  Service Handbook OEB/OES/OGB/OGS Overview: Cleaner and Care products Information: In depending of the pollution level and the concentrate of handling the CONVOTHERM unit should be cleaned and possibly decalcified regulary with the original CONVOTHERM products CONVOTHERM offers following products: CONVOClean new…
• Page 92
  Service Handbook OEB/OES/OGB/OGS CONVOCare Information: Description: nozzle flushing liquid concentrate for the CONVOClean system Usage: automatic cleaning systeme CONVOClean system, neutralized cleaning residues, removes easy lime cords. Trading unit: 1 liter concentrate for the manufacture of 10 (respectively 20 liter) nozzle flushing liquid mixing ratio 1:29 with soft water Safety advice: …
• Page 93
  Oven chamber Semi-automatic manual cleaning cleaning cleaning   CONVOClean new    CONVOClean forte   CONVOCare  CONVOCal  CONVOCal forte * Just by an CONVOTHERM technical Service partner! AS/11-2011 4_05e_Overview_Cleaner and Care product_c.doc Page 3 / 4…
• Page 94
  Service Handbook OEB/OES/OGB/OGS Order advice: Products Part No. CONVOClean new 10 liter P3 3007015 CONVOClean forte 10 liter P2 P3 3007017 CONVOCare nozzle flushing liquid concentrate 1 liter P2 P3 3007028 CONVOCal 10 liter Descaler 3007018 CONVOCal forte 10 liter Descaler 3007023 Stainless steel –…

• Page 95: Yearly Maintenance Recommendations

  Information, Cross reference I nformation: 7 B U  The maintenance intervals are dependent on the CONVOTHERM‘s daily length of operation.  Only a specialist appropriated installation can guarantee disturbance-free functioning of the combination oven steamer. Please observe here the following points:…

• Page 96
  3 0 B current using circuit breakers with an applicable current rating?  D oes the CONVOTHERM combination oven steamer have its own fuse protection, this means  3 1 B that no other units are connected on the same fuse protection? …
• Page 97
   Chapter 6 Gas connection / Gas exhaust / Combustable air ventilation / Authorization  Chapter 7 for CONVOTHERM OGB / OGS  Chapter 8  H as the gas and gas ventilation installation been performed according to regulations? The 4 1 B …

• Page 98: Check And Visual Check

  Service Handbook OEB/OES/OGB/OGS N otice: 1 2 B U When necessary or when flushing is not properly performed by the user, the following areas must be descaled or mechanically cleaned: Steam generator incl. Settling chamber area Water level probe ( ATTENTION: do not handle mechanically.) C ross reference: 1 3 B U …

• Page 99: Check The Gas Technical Parts

  I nformation: 1 8 B U Measure exhaust gas: For undiluted CO values greater than 1000ppm, the burner setting of the unit must be checked by a CONVOTHERM trained and certified technician and if necessary re-set. Clean burner. Observe ignition and flame (see 6.25).

• Page 100: Installation Checklist

  Service Handbook OEB/OES/OGB/OGS Installation Checklist To ensure the correct installation of a CONVOTHERM combination oven steamer and a successful guideline for the customer, we recommend, both the installer and the customer, filling out and signing the Checklists «4.7.1 Installation inspection» and «4.7.2 User information». Copy both Checklists or simply tear out.
• Page 101
  Applicable use  Is the user advised of the applicable uses of the units? CONVOTHERM combination oven steamers are only to be used for steaming, brazing, cooking,  roasting, stewing, baking, gratinating, grilling, sous vide cooking, low temperature cooking, regeneration and defrosting of foods! …
• Page 102
  Heeding of the safety advice on the labels or the safety information  on the cleaner is urgently required! For oven cleaning only use CONVOTHERM CONVOClean new or CONVOClean forte! With CONVOClean system only use CONVOCare as jet spray solution! …
• Page 103
   CONVOTHERM to cool down to at least 60°C.  Has the user been advised that when cleaning the CONVOTHERM, no high pressure cleaner  and no water jet is allowed to be used?  Has the user been advised that no acid treatment or acidic steam is allowed to be used on the …
• Page 104
   Water level sensor calcified (insulated) or defective the start modus  Through the use of non-original CONVOTHERM cleaners, foaming in the steam generator and insulating film on double level sensor  Filling gap in the steam generator is closed by calcium deposits …
• Page 105
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message      E02.0 Over temperature in  Vent slits blocked by an inadequate space between the wiring space: appliance and wall ID24 about 80°C for more …
• Page 106
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message fan motor 1 (top) too c) One phase is not connected through from the high contactor d) Miniature fuse F10 (6.3 A or 10 A for floor models) has tripped e) Thermoprotection contact in the motor winding (bimetal) defective or interrupted …
• Page 107
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message reporting a speed,  FC dirty deleted from software  For an explanation of the parameter xxx-yyy-zzz see the end of 5.1  page 9      Mains voltage supply has faults, possibly also E03.32- Just SAWI Frequency…
• Page 108
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message Input under voltage (< 195 V) (Gerät über Kabeltrommel angeschlossen) ID53  OGS/OGB 10.20/12.20/20.20 (and 20.10 only SG) starts poorly/does not start after glow electrode replacement ID54 — Wrong glow igniter fitted: short instead of long; Steam correct is 4018001 = long (Wrong is 4018002 = gene-…
• Page 109
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message  Start speed at the burner HA2 not reached  possibly voltage supply disturbed     E05.6-1 No gas  Start speed at the burner HA2 not reached …
• Page 110
  Only when 6 times in a row over-temperature is detected.   E13.xxx Steam generator  Foaming in the steam generator when cooking (due to e.g. wrong, non-original CONVOTHERM cleaning agents) ID 20 (B4 thermoelement) Excessive  Calcification of the steam generator temperature (if …
• Page 111
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message measured. Normally it takes about 12 sec. per rotation (just Mini).     E21.0 Oven sensor (B6-  Sensor wiring interrupted (plug X16 of the control thermoelement) module) interruption …
• Page 112
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message     E22.4 Core temperature  Sensor wiring interrupted (plug X16 of the control sensor4 sensor break module) (B10-thermoelement)  CTS sensor (B10) interrupted (more than 2 interruption.
• Page 113
    E27.xxx STL (B8-  Foaming in the SG when cooking (due to e.g. wrong, non- thermoelement) original CONVOTHERM cleaning agents) ID19 excessive temperature  Calcification of the steam generator (STL measures a temp.  Boiling dry of the immersion heaters due to double level >130°C in the SG when…
• Page 114
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message The short to frame Possible reason: cannot be clearly a) Sensor line is broken detected. It may be a b) Water entering into the measuring pipe different thermocouple c) Thermoelement defect probe.
• Page 115
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message  Control defective or faulty cable  Air inlet valve clogged or blocked     Cleaning termination  EMV-error CM by general error* ID81  Conducted interference CM during cleaning * = at the start of the automatic cleaning program (Since software version 1.3.0.20) **= during the automatic cleaning (Since software version 1.3.0.20) …
• Page 116
  Service manual OEB/OES/OGB/OGS Error- Error description possible cause or remedy message     Too little flow pressure  Cleaner level/nozzle flushing agent level in the canister enough on the pressure switch too low cleaner S2 (after 40 secs. still …
• Page 117
  Service manual OEB/OES/OGB/OGS  Error variants to error 03.zzz-xxx-yyy Error 03. zzz — xxx — yyy Error group FC1=Frequency converter 1 FC2=Frequency converter 2  detailed error message  detailed error message Error numbers «zzz», «xxx» and «yyy» are binary coded, i.e. the error numbers shown on the display must be converted with the use of the following tables.

• Page 118: General

  Service manual OEB/OES/OGB/OGS Error 03. 5 — 36 — 0  5 = Error on the FC1 and motor temperature too high 36 = 32 + 4  Overcurrent recognition on the FC1+ Electronic temperature of the FC1- 0 = FC2 is OK Error 03.

• Page 119: Steam Generator

  (green/white) moisture in the convection  Steam generator or pre-heating sensor programme calcified see 4.4 Decalcifying the CONVOTHERM  Pre-heating temperature set too high in c01  Electronics’ temperature detection defective ( Replace control module CM)    …

• Page 120: Condenser

  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy  Dirt filter in hose fitting contaminated  Inlet filter in the solenoid valve contaminated  Solenoid valve Y3 is not opening a) Solenoid valve defective b) Contact problem on the plug …

• Page 121: Motor

  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy  Condenser quenching nozzle contaminated  Dirt filter in hose fitting contaminated  Inlet filter in the solenoid valve contaminated  clean  Solenoid valve Y1 is not opening a) Solenoid coil defective b) Solenoid valve defective …

• Page 122
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy Safety temperature limiter hot air heater (B7)    5.7.1 Safety temperature  Inner chamber temperature was over 300 °C limiter (B7) has tripped. Heater contactor is burnt together …
• Page 123
  Use Quit (possibly click Details and make a switched on, a blue screen screenshot and/or take a picture of this and appears with a report to Convotherm for troubleshooting grey window: purposes) to confirm and to close the grey ‘ easyTOUCH.exe — error’ …
• Page 124
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy 5.8.12     Storage capacity of USB stick should not Update not possible using a exceed 2 GB and should be in FAT format. USB stick. …
• Page 125
  Service manual OEB/OES/OGB/OGS Troubleshoot using the LEDs on the controllers Previous Supply module Control module Operating module Current Supply module Supply module No. Colour Function rd Diagnosis lights up if internal fuse defective 42 gn Diagnosis lights up if output voltage correct (12V) goes out if output voltage below 12 V Control module…
• Page 126
  Service manual OEB/OES/OGB/OGS Gas module 36 = flame OK HL2 35 = flame OK DE 34 = flame OK HL1 29 = rpm fan HL2 28 = rpm fan DE 27 = rpm fan HL1 30 = rpm cavity fan (only with hall sensor) 24 = reset HL1 26 = error…
• Page 127
  Service manual OEB/OES/OGB/OGS 5.10.1. Troubleshooting options for the SAWI frequency converter of single-phase appliances Frequency converter prior to 04/2008 red LED (no.40) Description Motor is still Flashing Motor is running Error on the frequency converter Intermediate circuit voltage and/or mains voltage too low or too high.

• Page 128: Error Codes

  Service manual OEB/OES/OGB/OGS Options for identifying faults in the Altivar 12 frequency converter  If error message E03.xxx is present on the combi steamer, this may mean that the frequency converter has detected a fault with itself, with the fan motor or with the motor cable. The frequency converter indicates a fault by a flashing error code in the display (41).

• Page 129
  Service manual OEB/OES/OGB/OGS Error code Possible cause Corrective action Error message, display flashing Temperature of frequency converter too  Check motor load high Frequency converter too Check ventilation of frequency converter Check ambient temperature Let the frequency converter cool down before switching it back on Motor current too high Check motor load…
• Page 130
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Error Error description Possible cause or solution message    E03.0- Fan malfunction  Fan has excessive temperature in the winding (excessive a) One phase is missing from the power connection temperature in the b) Fan motor is defective motor winding) c) One phase is not connected through from the…

• Page 131: Electronic Control Board Installation

  Service Handbook OEB/OES/OGB/OGS Electronic Control Board installation Information: The Control Board ST5010 is modularly built, this means that the various function groups are built in as separate function modules. The modules are as follows: 1 = Operation module (BM) 2 = Control module (SM) 3 = Gas module (GM) 4 = Arrangement module (VM) 5 = Adjustable knob…

• Page 132
  3mm must be located close to the unit- on site) and ensured against switching on again.  This work should only be performed by a CONVOTHERM trained electrician. Instructions: Operation module removal  Remove the cap 4 from the hexagon locking screw 3 on the unit top 1.

• Page 133: Control Module (Sm) Replacement

  3mm must be located close to the unit- on site) and ensured against switching on again.  This work should only be performed by a CONVOTHERM trained electrician. Instructions: Control module removal  Disassemble front plate from the operation module and lay it next to unit (see 6.1.1 Operation module removal).

• Page 134
  Service Handbook OEB/OES/OGB/OGS  Hang the assembly panel 1 left into the slots of the front plate in the holding slots.  Pull out all connectors X10 to X17 (when available) from the control module 4.  Loosen screws on 9 pole connector 5 and remove from control module 4. …

• Page 135: Arrangement Module Replacement

  Attention: When the unit is with power, the arrangement module carries live voltage.  This work should only be performed by a CONVOTHERM trained electrician. Instructions: Arrangement module removal  Remove the front plate from operation module and lay it next to unit (see «6.1.1 Operation module removal»).

• Page 136: Gas Module (Gm) Removal

   Close gas supply.  This work should only be performed by a CONVOTHERM trained electrician. Instructions: Gas module removal  Remove the front plate from operation module and lay it next to unit (see «6.1.1 Operation module removal»).

• Page 137
  Service Handbook OEB/OES/OGB/OGS  Hang the assembly panel 1 left into the cutout for the front plate in the holding slots.  Pull out all connectors X20 to X28 (when available) from Gas module 11.  Unscrew 8 knurled nuts 6 and pull the gas module 11 straight and evenly from the distancing bolts M3 10.
• Page 138
  Service Handbook OEB/OES/OGB/OGS 6.1.5 Positions of the LEDs on the Controls (module self-checking) Gas Module Control Module Operation Module Arrangement Module AS/11-2011 6_01e_Electronic Control Board installation_c Page 8 / 8…
• Page 139
  You receive a new software version per e-mail in a zip file (e.g. P3 Update V510.zip). This zip file contains an installation programme for ConvoUpdate „SETUP.exe“. Follow the installation instructions and start the ConvoUpdate under Windows->Start->Programme->Convotherm->SoftwareUpdate VX.xx. That’s it! …
• Page 140
  Service Handbook OEB/OES/OGB/OGS 6.2.2 Software Update via PC / Laptop Safety:  Before starting, the unit must be separated from the power supply and the connection X12 on the Control module disconnected. Instructions: Cut off the power supply to the electronics. Connect the Control module (Connection X18 above on the SM) with the special connection cable (Part No.: 5009315) into the RS232 interface on the PC / Laptop.
• Page 141
  This can take a few minutes. When the display indicates the date and time again, the update has been completed. Cut off the Convotherm from the power supply again. 10. Separate the PC / Laptop from the Control module again.
• Page 142
  FAT file system Formatting to the must only be performed once. Future update files can be copied directly onto the SD card. SD cards supplied by CONVOTHERM are already formatted to FAT format. In Windows Explorer and the connected SD…
• Page 143
  Service manual OEB/OES/OGB/OGS 6.3.1.3 Coping the 5 BIN files to the SD card All five BIN files (see example in the illustration on the right), which you receive via CD, e-mail, SD card or … from the Customer Service department, must always be copied together onto the SD card (onto the SD card formatted to FAT file system format).
• Page 144
  Connect the SD card box with the Control Module (slot X18 at the top of the SM), if necessary, remove an existing Communications Module (KM) or cable. Fasten black earth cable from the black box to the Convotherm housing, using a crocodile clip.
• Page 145
  FAT file system Formatting to the must only be performed once. Future update files can be copied directly onto the SD card. SD cards supplied by CONVOTHERM are already formatted to FAT format. In Windows Explorer and the connected SD…
• Page 146
  Service manual OEB/OES/OGB/OGS 6.3.1.3 Coping the 4 BIN files to the SD card All four BIN files (see example in the illustration on the right), which you receive via CD, e-mail, SD card or … from the Customer Service department, must always be copied together onto the SD card (onto the SD card formatted to FAT file system format).
• Page 147
  Connect the SD card box with the Control Module (slot X18 at the top of the SM), if necessary, remove an existing Communications Module (KM) or cable. Fasten black earth cable from the black box to the Convotherm housing, using a crocodile clip.
• Page 148
  Service manual OEB/OES/OGB/OGS Update of software for EasyTouch control 6.3.1 Update of the operating module (automatic) from version 1.3.0.0 onwards Information: A KD update (valid from version 1.3.0.0 onwards) consists of:  UPD_[version number — consisting of 4 figures].zip  SD_[version number — consisting of 4 figures].zip …
• Page 149
  Service manual OEB/OES/OGB/OGS Instructions: Please wait until the update process is completely finished. While this is taking place the grey bar (see red arrow in Screenshot 2) completely fills up to 2 times! Then remove the USB stick and click on “Exit” (see Screenshot 3). If the combi steamer starts as usual in the operating mode, perform another update of the control module (see point 6.3.3).
• Page 150
  Service manual OEB/OES/OGB/OGS 6.3.2 Manually updating the operating module up to software version 1.3.0.0 (old version) N.B: It is a pre-condition for carrying out the update that a new update is stored in the root directory of a USB stick. Screenshot 5 Instructions: Start the combi steamer in the…
• Page 151
  Service manual OEB/OES/OGB/OGS 6.3.3 Updating the control module for software version 1.3.0.0 Instructions: Start the combi steamer in the operating mode as usual and then enter the Settings screen (button with gear wheels — see Screenshot 5). In the Settings screen click on the spanner (see Screenshot 9) and enter the password “1qaz”…
• Page 152
  Service manual OEB/OES/OGB/OGS Please wait until the update process is completely finished. While this is taking place the grey bar (see Screenshot 14) fills completely! Then click on “Exit” (see Screenshot 15). If the combi steamer starts as usual in the operating mode you can then check the software version of the easy Touch operating module (SW-ET) and the control module (SW-SM) (see Screenshot 16) in the Settings screen (button with gear wheels — see Screenshot 5).

• Page 153: Steam Generator Drain Pump (Only Oeb And Ogb)

  — on site) and ensured against switching on again. Confirm that the power supply has been disconnected!  This work can only be performed by a CONVOTHERM-trained electrician.  Attention: Danger of scalding on unit drain and when removing the pump, if steam generator is manually drained.
• Page 154
  Service Handbook OEB/OES/OGB/OGS Instructions – 2. Removing the drain pump:  Attention Danger of scalding!!  There could still be water in the steam generator.  Attention Danger of scalding!!  The steam generator, the steam generator pump and the surrounding parts could be hot. …
• Page 155
  Service Handbook OEB/OES/OGB/OGS Probe fitting / Probe assembly and replacing See Chapter 6.5.1  See Chapter 6.5.2  See Chapter 6.5.3  Safety thermostat Safety thermostat Probe with stuffing above unit ceiling behind motor fastening bush assembly See Chapter 6.5.5  Screw in probe See Chapter 6.5.4 …

• Page 156: Safety Thermostat Above Unit Ceiling On Table Units

  Service Handbook OEB/OES/OGB/OGS 6.5.1 Safety thermostat above unit ceiling on table units Notice: The safety thermostat is located in the connection area of the unit above the unit ceiling of the inner casing. Under the insulation is a clip underneath which the thermostat is placed.

• Page 157: Probe With Stuffing Box Assembly B10 (Ctc)

  Service Handbook OEB/OES/OGB/OGS 6.5.3 Probe with stuffing box assembly B10 (CTC) Check:  Grease-/steam escaping due to a contracted seal insert  replace core temperature probe. Instructions:  Unclip the old probe from the controls and separate the probe in the oven from the probe cable.

• Page 158: Safety Thermostat Probe N8 On Flange Immersion Heater

  Service Handbook OEB/OES/OGB/OGS Connections for the CTC probes wire OEB/OES/OGB/OGS connectio n-plan Casing ground X6/1 green/blue 2 = green/red Tip of probe gauge (+) X6/2 3-5 = green Further gauge points X6/3-5 6 = white Ground (-) measuring X6/6 points 6.5.4 Safety thermostat probe N8 on flange immersion heater above Safety thermostat probe N8 for…

• Page 159: Double Safety Thermostats B8 And B7.2 In Gas Units With Blower Burner

  Service Handbook OEB/OES/OGB/OGS 6.5.5 Double safety thermostats B8 and B7.2 in gas units with blower burner Instructions:  Slide both probes B8 and B7.2 together in the pipe above the burner chamber of the steam generator (as far as they will go). …

• Page 160: Water Level Probe

   Confirm that the power supply has been disconnected.  This work can only be performed by a CONVOTHERM-trained electrician. Instructions – Removing the water level probe:  Confirm that the power supply has been disconnected. …

• Page 161
  Service Handbook OEB/OES/OGB/OGS Instructions –Replacing the water level probe:  Place the new or cleaned water level probe 2 with a new seal 7 in the opening of the steam generator 3.  Using an adjustable wrench (10 mm) simultaneously screw in the 3 hexagon nuts 4 on the holding pins.

• Page 162: Steam Generator-Immersion Heater Replacement (Only Oeb)

  Service Handbook OEB/OES/OGB/OGS Steam Generator-Immersion heater replacement (only OEB) Check:  On-site fault current breaker is tripped.  The warm up time until standy mode is too long.  Safety thermostat N8 is tripped.  Error code E33 = Steam generator heater malfunction Safety: …

• Page 163: Motor / Fan Wheel Installation And Removal

  Service Handbook OEB/OES/OGB/OGS Motor / Fan Wheel installation and removal Check:  Uneven browning results  Electrical humming noises  Unit runs mechanically loud Safety:  When working on the unit, make sure that the main power supply is disconnected (an all-pole isolation switch with a minimum contact opening of 3mm must be located close to the unit –…

• Page 164
  Service Handbook OEB/OES/OGB/OGS Special tools:  Bell-shaped extractor Part-No.: 7015200 (inclusive screw with indentation Part-No. 6015246) Instructions – Removal of the motor:  Switch unit off (see safety notice above)!  Disconnect the motor connector X13.X from the electrical supply! …
• Page 165
  Service Handbook OEB/OES/OGB/OGS Instructions – installing the motor:  Set the complete motor 1 (with pre-assembled seal set 2 and the motor plate) onto distancing bushes.  Fasten the motor with washer, spring washer and nut 4 .  Re-connect the motor connector X13.X into the electrical supply. …

• Page 166: Pressure Switch Cleaning System Trouble Shooting

  Service Handbook OEB/OES/OGB/OGS Pressure Switch Cleaning System Trouble Shooting Information: In the detergent line a pressure switch detects a shortage of detergent (error “ low agent pressure”). If this pressure switch is not working properly, the detergent pump will continue working and will empty the tank premature. Units involved: OSP/OES/OEB/OGS/OGB with CONVOClean system.

• Page 167
  Service Handbook OEB/OES/OGB/OGS Turn the adjustment (Allen) screw clockwise until the end 10. Screw 2 turns counter clock wise (=basic setting) 11. If ”1” does not arise: screw ½ turn counter clockwise and observe again (wait 5 seconds between reading and adjustment) 12.

• Page 168: Dummy Operation For P3 — Units

  Service Handbook OEB/OES/OGB/OGS 6.10 Dummy operation for P3 – units Information: The controls offer the possibility to set up the unit in a Dummy version for exhibits. In the Dummy version the control panel functions normally but no activity (valves, contactors, etc.

• Page 169: Condenser Removal And Installation

  Attention! Observe cleaning instructions on the package!  Only use CONVOTHERM CONVOCAL for descaling the oven drain, the demoisturizing tub and the condenser! Attention! Observe cleaning instructions on the package! …
• Page 170
  Service Handbook OEB/OES/OGB/OGS  Clean the condenser with CONVOTHERM CONVOClean new or CONVOClean forte and using the hand shower flush thoroughly afterwards with water. With heavy build up in the condenser, perform an additional chemical descaling with CONVOTHERM CONVOCAL (Process for descaling according to instructions as described in 4.4.3).
• Page 171
  Service Handbook OEB/OES/OGB/OGS 1 = Cover Demoisturizing tub 2 = Hexagon screw M6 3 = Washer 6,4 4 = Holder cross condenser 5 = Oven chamber floor 6 = O-Ring 6015000 7 = Condenser Thermo couple probe Standing unit 5002100 Table unit 5002101 9 = Thermo couple probe seal 6005260…

• Page 172: Door Latch / Door Contact Switch Removal And Installation

  Service Handbook OEB/OES/OGB/OGS 6.12 Door latch / Door contact switch removal and installation Check: After the programme has been started, the unit is not functioning. In the funtion display, the symbol «Unit started» .is lit Information: The door magnet switch (in the door catch) switches the motor and the heating elements off, if the door latch is turned in the airing position (door latch is horizontal) .

• Page 173
  Service Handbook OEB/OES/OGB/OGS Door contact switch (Reed contact) replacement Instructions – Removing the door catch and the reed:  Mark the position of the door catch 1 on the front plate.  Remove the screws M6 with the hexagon socket 2 in the door catch 1. …

• Page 174: Using The Water Analysis Unit Article No.: 3019007

  If the water value is higher than those on the chart, a water treatment system must be used on the combination oven steamer ! CONVOTHERM recommends a BRITA partial desalinization system.  If the water value is lower than those on the chart, the existing water treatment system must be checked! Also after water treatment, the water must be of drinking quality.

• Page 175: Sealing The Corners On The Door Gasket Frame

  Service Handbook OEB/OES/OGB/OGS 6.15 Sealing the Corners on the Door Gasket Frame Only for table units. Check: Water drops on the lower corners of the unit because it is not water-tight. Instructions: Remove the hygienic door gasket. Dry both lower corners of the door gasket frame. Clean both corners with alcohol or acetone.

• Page 176
  Service Handbook OEB/OES/OGB/OGS 6.16 Problem case: cloudy glass panels — glass corrosion Information – What is glass corrosion? If the inner glass panel is covered in a milky-grey cloudiness, that can no longer be removed with lime remover, it is from glass corrosion. What causes glass corrosion? The cloudiness is caused by the dissolving of sodium, potassium or barium ions from the glass surface.
• Page 177
  Instructions – Check cleaning methods:  Use only the original CONVOTHERM cleaners!  Thoroughly remove the cleaning solution after the cleaning process by rinsing with a lot of clear water or using the Automatic Cleaning Programme if…

• Page 178: Inner And Outer Door Replacement

  Service Handbook OEB/OES/OGB/OGS 6.17 Inner and outer door replacement Attention: Scratches on the glass panel of the inner or outer door, present the danger of breakage and need to be replaced! Check:  Scratches on the glass panel of the inner or outer door …

• Page 179
  Service Handbook OEB/OES/OGB/OGS 1 = Locking corner 2 = Inner door 3 = Outer door 4 = Holding clamp 5 = Hinge inner door 6 = Hinge safety 6.17.2 Replacing the inner door on standing units Instructions – Removing the inner door: …
• Page 180
  Service Handbook OEB/OES/OGB/OGS 6.17.3 Replacing outer door on table and standing units Check:  Scratches on the glass panel of the outer door  Panel is broken Safety:  Maintenance and repair work should only be performed on a cold unit. …
• Page 181
  Service Handbook OEB/OES/OGB/OGS 1 = Outer door 2 = Slot panel 3 = Upper hinge plate (fastened onto the slot panel with washer, spring washer and screw) 4 = Lower part of the upper hinge plate 5 = Lower hinge plate 6 = Stop plate Notice: …

• Page 182: Drip Tray For Overflow Protection

  Service Handbook OEB/OES/OGB/OGS 6.20 Tropfwanne für Sicherheits-Überlauf montieren / Drip tray for overflow protection Information – Lieferzustand / Delivery :  Tropfwanne incl. Schlauch für Sicherheits-Überlauf  Drip tray incl. hose for overflow protection Anleitung / Instructions:  Rasten Sie die Tropfwanne in der Abdeckung des Kondensators ein. …

• Page 183
  Service Handbook OEB/OES/OGB/OGS Information: Montierte Tropfwanne mit Schlauch / Assembled the drip tray with hose: Offener Ablauf / Open drain: AS/11-2011 6_20e_Drip tray for overflow protection_b Seite / Page 2 / 2…

• Page 184: Convection Heater Removal And Replacement

  Service Handbook OEB/OES/OGB/OGS 6.21 Convection Heater removal and replacement Safety: When working on the unit, make sure that the main power supply is disconnected (an all-pole isolation switch with a minimum contact opening of 3 mm must be located close to the unit – on site) and ensured against switching on again. Instructions –…

• Page 185: Removing And Replacing The Convection Heat Exchanger

  Service Handbook OGB/OGS 6.22 Removing and replacing the Convection heat exchanger Safety advice and information Information: The Convection heat exchanger can be removed for repairs. Normally, this is only necessary for repairing mechanical damage on the heat exchanger or for changing the seals.
• Page 186
  Service Handbook OGB/OGS Attention: The gas supply hose cannot have any kinks. Remove burner insert 6  Remove the aluminium tape from the insulation in the area of the burner insert 6.  Push the insulation carefully to the side (possibly using the cutter). …
• Page 187
  Service Handbook OGB/OGS Put the unit into operation  After removing and replacing the heat exchanger, check the gas exhaust values (CO less than 1000 ppm, CO 8% to 11% depending on gas type).  Check all connections when the burner is running for tightness (Gas detector or leak spray): now you can check the connections on the blower 4 and burner insert 6! Firing automatic…

• Page 188: Removing And Replacing The Burners

  Service Handbook OGB/OGS 6.23 Removing and replacing the burners Safety advice and Information Information:  Convection burner: When changing the monitoring electrode / ignition electrode, the burner must be removed.  Steam generator burner: The monitoring electrode/ ignition electrode can be changed without removing the burner.

• Page 189
  Service Handbook OGB/OGS Attention: The gas supply may not have any kinks Remove burner insert 6  Remove the aluminium tape from the insulation in the area of the convection burner insert 6 (When removing the steam generator burner insert, this is not necessary).
• Page 190
  Service Handbook OGB/OGS Burner controller Burner controller cover Gas valve Burner fan Burner fan flange screws Burner insert Nuts on burner insert flange Nuts on exhaust gas pipe flange Exhaust gas pipe 10 = Restriction flange 11 = Heat exchanger 12 = Bracket for heat exchanger 13 = Restriction flange seals (2x) 14 = Gas exhaust seals (2x)

• Page 191: Readjusting The Gas Valves

  Service Handbook OGS/OGB 6.25 Readjusting the Gas valves 6.25.1 Safety advice and Information Information:  After replacing the gas valve, the unit must be adjusted to the required exhaust gas values according to these instructions.  The unit is provided with a 100% premixed blower burner. This is why a conventional adjustment of the burner pressure is not possible.

• Page 192
  Service Handbook OGS/OGB Information: Arrangement for the burner and gas exhaust valve 6.10 6.10 6.20 6.20 10.10 10.10 10.20 10.20 12.20 12.20 20.10 20.10 20.20 20.20 Attention:  The sequence of the burner adjustment on units with more than one burner must absolutely be adhered to.
• Page 193
   The number code can be read when you look along the blower onto the air panel/burner flange.  The numbers cannot be reversed.  If the number code does not correspond with Chart 1, then please notify your CONVOTHERM Customer service. Chart 1: Number code air panel HL1+ 6.10 6.20…
• Page 194
  Service Handbook OGS/OGB Step 2: Check gas panel and possible replacement according to the desired gas type. Information:  The gas panel (see following picture) functions as a gas nozzle for the blower burner.  The gas panel is assembled between the gas valve and the Verturi. …
• Page 195
  Service Handbook OGS/OGB Step 4: Adjust screws on gas valve (preset) Instructions:  Remove the cover on the gas valve.  Using the torx wrench, turn the screw to the right until it stops (see 1.) and then 1 1/2 turns to the left (see 2.). 1 ½…
• Page 196
  Service Handbook OGS/OGB 3. Spring right with arrow key c27 [ 6100 ] HL Nmax c28 [ 4500 ] HL Nstart c29 [ 005 ] HL-Safe. 4. Using selector knob, adjust c27 [ 6100 ] HL Nmax speed see Chart 3: «Speed» c28 [ 3700 ] HL Nstart c29 [ 005 ] HL-Safe.
• Page 197
  Service Handbook OGS/OGB  Attention: Hang the measuring unit on the «right» chimney! 6.10 6.10 6.20 6.20 10.10 10.10 10.20 10.20 12.20 12.20 20.10 20.10 20.20 20.20  Measure the gas exhaust value, after 1 minute read the measured value and check with the CO value on the Chart 4 «Gas exhaust values @ Max».
• Page 198
  Service Handbook OGS/OGB Step 8: Adjust MIN Speed Instructions:  To adjust the burner for partial load you have to be in the Service programme in Service point c27/c38 =»Nmax» (!) the value of the MIN speed setting (only used while measuring the gas exhaust values at partial load!). …
• Page 199
  Service Handbook OGS/OGB Step 10: Adjust burner (if necessary) Instructions:  Check the measured gas exhaust values from Step 9 on Chart 5 «Gas exhaust value @ Min» and if necessary, set the correct value on the gas valve using the screw (Torx wrench).
• Page 200
   If the measured gas exhaust values do not correspond to the values on the chart, the process must be repeated starting with Step 8.  If after this process is repeated, the values are still not maintained, then contact your CONVOTHERM Customer service. Step 13: Check sealed tightness Instructions: …
• Page 201
  Service Handbook OGS/OGB Step 14: Sealing adjustment and on 20.10 and 20.20 reconnect the 2. convection burner Instructions:  Assemble the cover on the gas valve and seal the cover with sealing lacquer.  Seal the Venturi screw with sealing lacquer. …
• Page 202
  Service Handbook OGS/OGB Step 16: Update the Nameplate data Instructions:  Record the gas type and gas pressure on the label enclosed in shipping or cut the strips with the preset values out of the label.  Apply the strips onto the correct field on the nameplate of the unit.

• Page 203: Disappearing Door Replacement / Adjustment / Spare Part Replacement

  Service Handbook OEB/OES/OGB/OGS 6.30 Disappearing Door Replacement / Adjustment / Spare Part Replacement AS/11-2011 6_30e_Disappearing Door Replacement_Adjustment_b Page 1 / 4…
• Page 204
  Service Handbook OEB/OES/OGB/OGS 6.30.1 Disappearing door adjustment Safety:  Maintenance and repair should only be performed on a cold unit. Information:  A defective or hanging door is replaced.  Door gap to front piece >< 10 mm Instructions:  Loosen the screws 2 + 8 on the upper 1 and lower 7 hinge plate, enough so that the hinge plate can slide straight.
• Page 205
  Service Handbook OEB/OES/OGB/OGS 6.30.2 Roller replacement Check:  Door rattles when slid forwards and backwards. Maintenance:  Keep guide rails and rollers clean.  Wipe the guide rails with an oiled cloth – do not use water spray! Instructions — _Removing the slot panel: …
• Page 206
  Service Handbook OEB/OES/OGB/OGS Instructions — Removing the rollers 8:  Loosen the hexagon socket screw 9 on the defective rollers 8 with a hexagon wrench (hold secure with a face spanner). Remove the roller 8.  Instructions — Replacing the rollers: …
• Page 207
  Service Manual OEB/OES/OGB/OGS/Mini-world with EasyTouch control First Edition!!! Summary Control panel for EasyTouch control (ST7000) «EasyTouch» — Basic settings service level Troubleshooting list and error messages — mini-world electronics Troubleshooting list and error messages — OEB/OES/OGB/OGS electronics Disassembling and assembling the control electronics — mini-world Disassembling and assembling the control electronics — OEB/OES/OGB/OGS (later available)
• Page 208
  Service manual OEB/OES/OGB/OGS/Mini-world Control panel for easy touch controls (ST7000) 2.1.2 For appliance models OEB/OES/OGB/OGS Meaning Functions Switching the combi steamer on and Main switch 1. The self-diagnosis is carried out 2. The cooking compartment light is on 3. The start page is shown Central controls for the combi steamer Touch screen 4.
• Page 209
  Service manual OEB/OES/OGB/OGS/Mini-world 2.1.2 For the appliance models in the mini-world The control panel Meaning Functions Switching the combi steamer on and off Main switch • The self-diagnosis is carried out • The cooking compartment light is on • The start page is shown Central controls for the combi steamer Touch screen •…
• Page 210
  Service manual OEB/OES/OGB/OGS/Mini-world 3.6 «easy Touch» — Basic settings service level 3.6.1 How to get to the basic settings service level Instructions: Press the three gear wheels on The service level for the basic the screen settings appears Information: The buttons and their functions Settings for pre-heating Set the desired operator programme, HACCP…
• Page 211
  Service manual OEB/OES/OGB/OGS/Mini-world Set the volume and the Change the password for melody for «End of various areas of the cooking time» and service level «Important information» Import and export data Play video sequences such as Cookbook, logs, such as cooking videos, service data operator training Save recipes for…
• Page 212
  Service manual OEB/OES/OGB/OGS/Mini-world 1. Language Press the «Languages» symbol Select your desired operator on the screen language and confirm your selection by pressing «Save» 2. Date and time Press the » Date/Time » symbol Use the «+» and «-» buttons to set on the screen the time and the date in the calendar.
• Page 213
  Service manual OEB/OES/OGB/OGS/Mini-world 3. Sounds Press the » Sounds » symbol on Press the «Volume» tab to get to the screen the volume setting. Use the «+» and «-» buttons to adjust the volume and confirm your settings by pressing «Save». Press the «Sounds»…
• Page 214
  Service manual OEB/OES/OGB/OGS/Mini-world 3.6.3 How to work with the diagnosis system in the service programme Instructions: You are already in the basic settings service level To get to the service programme Enter the password «1qaz» with press the «Service» symbol on the aid of the input keyboard and the screen confirm your selection by…
• Page 215
  Service manual OEB/OES/OGB/OGS/Mini-world Instructions: Target values and setting Actual values, operating hours parameters are shown in the counter, the switching status of «Settings» tab. If the target value additional actuators and the needs to be adjusted press the button for the SM update are relevant parameter and then the shown in the «I/O»…
• Page 216
  Service manual OEB/OES/OGB/OGS/Mini-world The «Individual» tab gives you In the «Gas» group actuators and the option of starting the parameters are shown which are appliance from the service also relevant for setting the programme. This is especially burner for gas appliances. necessary for the purpose of setting the burner for gas appliances.
• Page 217
  • Water level sensor calcified (insulated) or defective • Through the use of non-original CONVOTHERM cleaners, foaming in the steam generator and insulating film on double level sensor • Filling gap in the steam generator is closed by calcium deposits •…
• Page 218
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • Appliance not connected to soft water and therefore inlet calcified • E02.0 Excessive Vent slits blocked by an inadequate space between temperature in the appliance and wall ID=24 wiring space…
• Page 219
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • E03.4- Error frequency Mains voltage supply has faults, possibly also xxx-yyy converter 1 (for top undervoltage motor) • Frequency converter defective • FC dirty •…
• Page 220
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • E03.128 Communication Check cable connection GM to FC failure between CM • FC defective and GM or between • GM and FC GM defective •…
• Page 221
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch — Burner stocking braid has a short circuit to earth to the ionisation electrode — Ionisation electrode cable is resting on earth (in the burner or on motor cover) •…
• Page 222
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • E05.7-2 No gas Full load speed at the burner HA1 not reached Possibly voltage supply disturbed • E05.8-1 No gas Full load speed at the burner SG not reached PWM signal interrupted •…
• Page 223
  ID=28 temperature inserted into food correctly) • E13.0 Steam generator (B4 Foaming in the steam generator when cooking (due to thermoelement) e.g. wrong, non-original CONVOTHERM cleaning Excessive agents) temperature (if • Calcification of the steam generator temperature • measured in the SG Boiling dry of the immersion heaters due to double >120°C)
• Page 224
  • STL (SG) sensor (B8) defective • E27.0 STL (B8- Foaming in the steam generator when cooking (due to thermoelement) e.g. wrong, non-original CONVOTHERM cleaning ID=19 excessive agents) temperature • Calcification of the steam generator (STL measures a •…
• Page 225
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • E29.0 Short circuit to earth A thermoelement sensor has contact with appliance of a thermoelement housing • Connection between sensor wire and sensor housing Test individual sensors for short circuit to earth (beginning with CTS) •…
• Page 226
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • E81.0 Programme memory If the working parameters of a multi-step error programme are not between min. and max. values • After saving a cooking plan in the cookbook the temperature display is changed from °C to °Fahrenheit •…
• Page 227
  Service manual OEB/OES/OGB/OGS easy OEB OES OGB OGS Error Error description Possible cause or remedy message touch • Rotor nozzle worn or defective -> loses too much fluid in the middle • Cleaner nozzle behind suction plate is loose or missing •…
• Page 228
  Service manual OEB/OES/OGB/OGS Error variants to error 03.zzz-xxx-yyy Error 03. zzz — xxx — yyy Error group FC1=Frequency converter 1 FC2=Frequency converter 2 detailed error message detailed error message Error numbers «zzz», «xxx» and «yyy» are binary coded, i.e. the error numbers shown on the display must be converted with the use of the following tables.
• Page 229
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy General • 5.2.1 No interior lighting, however Light bulb of interior light defective appliance fully functioning • Microfuse defective • 5.2.2 After starting a programme Doors not closed appliance not functioning •…
• Page 230
  (green/white) the convection programme • Steam generator or pre-heating sensor calcified see 4.4 Decalcifying the CONVOTHERM • Pre-heating temperature set too high in c01 • Electronics’ temperature detection defective Replace control module CM) •…
• Page 231
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy • 5.3.4 No water supply in the Water supply pipe closed steam generator • Injection part in non-return flow device contaminated • Dirt filter in hose fitting contaminated •…
• Page 232
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy Condenser • 5.4.1 Constant water supply in Solenoid valve Y1 is not closing the condenser a) Solenoid valve contaminated b) Solenoid valve defective c) Water pressure too low •…
• Page 233
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy Electronics (see also General) • 5.6.1 Displayed oven Short circuit of the B6 sensor wiring temperature does not agree with • Check polarity of the B6 sensor the actual oven temperature (green/white) •…
• Page 234
  Service manual OEB/OES/OGB/OGS Troubleshoot using the LEDs on the controllers Supply module Control module Operating module Picture of new supply module still missing Supply module No. Colour Function rd Diagnosis lights up if internal fuse defective 42 gn Diagnosis lights up if output voltage correct (12V) goes out if output voltage below 12 V…
• Page 235
  Service manual OEB/OES/OGB/OGS Gas module 36 = Flame OK HA2 35 = Flame OK SG 34 = Flame OK HA1 29 = Speed fan HA2 28 = Speed fan SG 27 = Speed fan HA1 30 = Speed fan motor (only for Hall sensor) 24 = Reset HA1 26 = Error…
• Page 236
  Service manual OEB/OES/OGB/OGS 5.9 Troubleshooting options for the frequency converter of single-phase appliances Frequency converter prior to 04/2008 red LED (no.40) Description Motor is still Flashing Motor is running Error on the frequency converter Intermediate circuit voltage and/or mains voltage too low or too high.
• Page 237
  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Error Error description Possible cause or remedy message • E03.0- Fan malfunction Fan motor has excessive temperature in the winding (excessive a) One phase is missing from the power connection temperature in the b) Fan motor is defective motor winding) c) One phase is not connected through from the…
• Page 238
  Mini-world service manual Troubleshooting list and error messages — mini-world electronics The last 10 error messages are stored in the service programme r38. In this service programme you can query the error messages with date and time (by pressing Mr. C) and delete them in the service programme d01.
• Page 239
  Mini-world service manual Error Error description Possible cause or remedy message 5020 7000 easy touch • E11.0 Oven sensor (B6 Hot air contactor does not switch off (burnt together) thermoelement) ID=23 excessive temperature (temperature on the sensor >300°C) • E12.1 Core Temperature of CTS sensor already higher than the maximum temperature…
• Page 240
  Mini-world service manual Error Error description Possible cause or remedy message 5020 7000 easy touch • E21.1 Oven sensor B6 Thermoelement sensor (B6) has contact with appliance Short circuit to housing ID=14 earth • Thermoelement (B6) defective • E22.0 Core temperature Sensor wiring interrupted (plug X16 of the control module) sensor (B10-…
• Page 241
  Mini-world service manual Error Error description Possible cause or remedy message 5020 7000 easy touch • E29.1 CTS1 short Thermoelement sensor B10 has contact with appliance circuit to earth housing ID=15 Possible cause: a) Sensor wiring broken b) Water has entered measuring tube c) Thermoelement defective.
• Page 242
  Mini-world service manual Error Error description Possible cause or remedy message 5020 7000 easy touch • E99.0 Communication Initialisation error for COM interface Disconnect appliance interface to CM from mains for 10 secs. and re-start was unable to be opened •…
• Page 243
  Mini-world service manual • IDM module error When switching on and booting the appliance controller finds no error viable record in the IDM. If there is a viable record in the CM itself, there is an attempt to transfer this to the IDM. If this works, the error disappears, if not, the error always appears briefly when switching on Fit new IDM…
• Page 244
  Mini-world service manual Condenser • 5.4.1 Constant water supply in the Solenoid valve Y1 is not closing condenser a) Solenoid valve contaminated b) Solenoid valve defective c) Water pressure too low • Short circuit of the B3 sensor wiring • Appliance connected to hot water Cold water •…
• Page 245
  Mini-world service manual 5.7 Safety temperature limiter hot air heater (B7) • 5.7.1 Safety temperature limiter B7 has Inner chamber temperature was over 300 °C tripped. Heater contactor is burnt together Replace contactor • Check polarity of the B6 sensor (green/white) •…
• Page 246
  Mini-world service manual Troubleshoot using the LEDs on the controllers Supply module new? Control module Operating module for until ?? ST5020 Supply module as of Information: With the easy touch ST7000 operating module there are no LEDs for module self- testing;…
• Page 247
  3 minutes) connection dirty Water level sensor calcified (insulated) or defective • Through the use of non-original CONVOTHERM • cleaners, foaming in the steam generator and insulating film on double level sensor Filling gap in the steam generator is closed by •…
• Page 248
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch E01.1 Level reached too Filling time of steam generator too long; • slowly Possible cause: Water supply not completely open or supply blocked E02.0 Excessive Vent slits blocked by an inadequate space between…
• Page 249
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch displayed yet Check wiring space cooling Check operation of auxiliary fan • Fan blocked or wrong motor • Motor defective • FC defective •…
• Page 250
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch see the end of 5.1 page 12 E03.zzz Other error variants For an explanation of the parameter xxx-yyy-zzz • -xxx-yyy see the end of 5.1 page 12 E03.1 Fan malfunction…
• Page 251
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch Gas tap closed • Input undervoltage (< 195 V) (appliance connected • via cable reel) OGS/OGB 10.20/12.20/20.20 (and 20.10 only SG) • starts poorly/does not start after glow electrode replacement — Wrong glow igniter fitted: short instead of long;…
• Page 252
  ID=28 temperature inserted into food correctly) E13.0 Steam generator (B4 Foaming in the steam generator when cooking (due to • thermoelement) e.g. wrong, non-original CONVOTHERM cleaning KD / 19.08.2009 5_00e_Troubleshooting list and error messages — Electronics_h.doc Page 6 / 21…
• Page 253
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch Excessive agents) ID=20 temperature (if Calcification of the steam generator • temperature measured in the SG Boiling dry of the immersion heaters due to double •…
• Page 254
  STL (SG) sensor (B8) defective • E27.0 STL (B8- Foaming in the steam generator when cooking (due to • thermoelement) e.g. wrong, non-original CONVOTHERM cleaning ID=19 excessive agents) temperature Calcification of the steam generator • (STL measures a temp.
• Page 255
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch c) Thermoelement defective. E29.2 CTS2 short circuit to Thermoelement sensor B10 has contact with • earth appliance housing ID=16 Possible cause: a) Sensor wiring broken b) Water has entered measuring tube c) Thermoelement defective.
• Page 256
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch E83.0 Invalid cooking The cooking programme is not recognised • algorithm ID=47 Old software version • Wrong entry in the recipe data bank •…
• Page 257
  Service manual OEB/OES/OGB/OGS Possible cause or remedy easy OEB OES OGB OGS Error Error description message touch Fatal No viable record in When switching on and booting the appliance • the IDM module and controller finds no viable record either in the control error control module module itself or in the IDM…
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  Service manual OEB/OES/OGB/OGS Error variants to error 03.zzz-xxx-yyy Error 03. zzz — xxx — yyy Error group FC1=Frequency converter 1 FC2=Frequency converter 2 detailed error message detailed error message Error numbers «zzz», «xxx» and «yyy» are binary coded, i.e. the error numbers shown on the display must be converted with the use of the following tables.
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  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy General 5.2.1 No interior lighting, however Light bulb of interior light defective • appliance fully functioning Microfuse defective • 5.2.2 After starting a programme Doors not closed • appliance not functioning Magnet on the door is not in the right •…
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  (green/white) the convection programme Steam generator or pre-heating sensor • calcified see 4.5 Decalcifying the CONVOTHERM Pre-heating temperature set too high in c01 • Electronics’ temperature detection defective • Replace control module CM) 5.3.3 Steam generator is no long Check polarity of the B5 sensor connection •…
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  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy 5.3.4 No water supply in the Water supply pipe closed • steam generator Injection part in non-return flow device • contaminated Dirt filter in hose fitting contaminated • Inlet filter in the solenoid valve •…
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  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy Condenser 5.4.1 Constant water supply in Solenoid valve Y1 is not closing • the condenser a) Solenoid valve contaminated b) Solenoid valve defective c) Water pressure too low Short circuit of the B3 sensor wiring •…
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  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Defect Possible cause or remedy Electronics (see also General) 5.6.1 Displayed oven Short circuit of the B6 sensor wiring • temperature does not agree with Check polarity of the B6 sensor • the actual oven temperature (green/white) 5.6.2 Time or temperature value Movement of the selector dial was not…
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  Service manual OEB/OES/OGB/OGS Troubleshoot using the LEDs on the controllers Supply module Control module Operating module without casing (old) with casing (new) Position of the LED Supply module No. Colour Function rd Diagnosis lights up if internal fuse defective 42 gn Diagnosis lights up if output voltage correct (12V) goes out if output voltage below 12 V…
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  Service manual OEB/OES/OGB/OGS Gas module 36 = Flame OK HA2 35 = Flame OK SG 34 = Flame OK HA1 29 = Speed fan HA2 28 = Speed fan SG 27 = Speed fan HA1 30 = Speed fan motor (only for Hall sensor) 24 = Reset HA1 26 = Error…
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  Service manual OEB/OES/OGB/OGS 5.9 Troubleshooting options for the frequency converter of single-phase appliances Frequency converter prior to 04/2008 red LED (no.40) Description Motor is still Flashing Motor is running Error on the frequency converter Intermediate circuit voltage and/or mains voltage too low or too high.
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  Service manual OEB/OES/OGB/OGS OEB OES OGB OGS Error Error description Possible cause or remedy message E03.0- Fan malfunction Fan motor has excessive temperature in the winding • (excessive a) One phase is missing from the power connection temperature in the b) Fan motor is defective motor winding) c) One phase is not connected through from the…
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  For control module 7000, after switching off current to the appliance do not touch the high voltage inverter module for at least 1 min. until the voltage has completely dropped away. This work must only be undertaken by CONVOTHERM trained electricians. 6.1.1 Replacing operating module (OM) ST5020 Information: Operating module ST5020 item no.: 5019150…
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  Mini-world service manual Check: If the green LED 44 on the back of the operating module is lit or flashing, it is working correctly (module self test). LED 44 see 6.1.4 Position of the LEDs on the controllers. Instructions — disassembling operating module: Disassemble the upper cover (see service instructions “6.4 Disassembling and assembling…
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  Caution: After switching off current to the appliance do not touch the high voltage inverter module for at least 1 min. until the voltage has completely dropped away. This work must only be undertaken by CONVOTHERM trained electricians. Instructions — disassembling operating module: Disassemble the upper cover (see service instructions “6.4…
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  Mini-world service manual Unplug the plugs X4, X1 and X9, X13 and X21 and the potential equalization on the operating module. Undo the 4 x M5 self-locking nuts from the bearing plate with a SW 5.5 socket spanner. Do not damage the thread of the fixing pins when doing Detach the cable leading to the speaker and to the main switch.
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  Mini-world service manual N.B: Options such as (core temperature sensor) are automatically activated after installation. No calibration or adjustment is necessary (Plug&play). 6.1.3 Replacing control module (CM) ST5010 Information: Control module item no.: 5019306 The control module is the central control element with the relays, inputs and outputs (temperature sensor, digital).
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  Mini-world service manual Re-assemble the upper cover on the appliance (see service instructions “6.4 Disassembling and assembling housing parts”). Safety instructions: Caution: Risk of crushing the cable when fitting the upper cover. Check: If the green LED 43 on the front of the control module is lit or flashing, it is working correctly (module self test).
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  Mini-world service manual disconnect the two 12 V output cables (from the Wago terminals). If a new SM with metal housing has already been fitted, disconnect all of the cables from the supply module. If using an old supply module unscrew the 4 knurled nuts on the New supply module supply module and remove the…
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  Mini-world service manual 6.1.4 Position of the LEDs on the controllers (module self test) Control module Operating module Supply module (ST5020) Information: With the easy touch ST7000 operating module there are no LEDs for module self-testing; error messages within the controls are used instead. KD / 31.03.2009 6_01d_Steuerelektronik demontieren und montieren_Mini_b_EN.doc Page 8 / 8…
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  Service manual OEB/OES/OGB/OGS/Mini-world Updating software for EasyTouch control ST7000 6.3.1 Updating the operating module (automatic) from version 1.3.0.0 onwards Information: A KD update (valid from version 1.3.0.0 onwards) consists of: UPD_[version number — consisting of 4 figures].zip SD_[version number — consisting of 4 figures].zip Update.zip UpdateSD.zip UpdateET.exe…
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  Service manual OEB/OES/OGB/OGS/Mini-world Instructions: Please wait until the update process is completely finished. While this is taking place the grey bar (see red arrow in Screenshot 2) completely fills up to 2 times. Then remove the USB stick again and click on “Exit” (see Screenshot 3). If the combi steamer starts as usual in the operating mode, perform another update of the control module (see point 6.3.3).
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  Service manual OEB/OES/OGB/OGS/Mini-world 6.3.2 Manually updating the operating module up to software version 1.3.0.0 (old version) N.B: It is a pre-condition for carrying out the update that a new update is stored in the root directory of a USB stick. Screenshot 5 Instructions: Start the combi steamer in the operating mode as…
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  Service manual OEB/OES/OGB/OGS/Mini-world 6.3.3 Updating the control module for software version 1.3.0.0 Instructions: Start the combi steamer in the operating mode as usual and then enter the Settings screen (button with gear wheels — see Screenshot 5). In the Settings screen click on the spanner (see Screenshot 9) and enter the password “1qaz”…
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  Service manual OEB/OES/OGB/OGS/Mini-world Please wait until the update process is completely finished. While this is taking place the grey bar (see Screenshot 14) fills completely. Then click on “Exit” (see Screenshot 15). If the combi steamer starts as usual in the operating mode you can then check the software version of the easy Touch operating module (SW-ET) and the control module (SW-SM) (see Screenshot 16) in the Settings screen (button with gear wheels see Screenshot 5).
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  Servicehandbook OEB/OES/OGB/OGS/Mini-Welt 7.1 Spare part list EasyTouch ST7000 KD / 31.03.2009 7_01d_Ersatzteilliste easy touch ST7000_a.doc Seite 1 /1…