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#1
I can usually figure out an alarm and how to adjust a parameter accordingly, I have all of the manuals but…
I got an alarm I’ve never seen SV011 which reads «The content of error register of the X axis is larger than the specified value»
I have other 3T’s here in the shop and they all have this parameter(28 for X 29 for Z)position loop error limit set at 10000(X) and 5000(Z) respectively.
I guess before I go changing it I’m just looking for a more detailed definition of what exactly this setting is/does.
Is this something that might be adjusted elsewhere(such as the VCU?)
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Hello,
We have a moriseiki sl-2 ,fanuc 10t controller, dc velocity servo unit
Does anyone meet this error beforeX Axis : SV 011 LSI overflow error while machine ready and x axis move rapidly then stop with this alarm (there is no alarm on servo unit)
I checked all forum also 10t maintenance manual, i did and recheck what they said and check all parameter 1816. 1820 . 1825——1830 and others servo spec,
But there is no wrong parameter or anything, i change servo velocity unit with another working one, but problem same , i swapped x and z axis servo motor include pulsecoder , problem still same
I find 40 Pin ICs for LSI (on masterboard) and changed but problem still same, checked and clean carbon brush but their condition is good
Only one thing; servo velocity unit is ready when change motor cable or CV1 to CV2 on masterboard , or CF1 to CF2 on masterboard,
only one configuration as above effect it to ready condition of servo unit,
If we try to move any axis manually 2 axis move rapidly and stop then appears excess error , if no action for move machine is waiting for ready condition
Which kind of problem could be , is this from masterboard? ,
Anyone help or any idea
Regards
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Re: Fanuc 10T — SV 011 LSI Overflow
Had this happen twice on 2 different machines. Replaced both power and feedback cables for axis and problem solved. Can’t guarantee this is your problem but it was mine. If its jumping around I would say its your feedback cable.
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Re: Fanuc 10T — SV 011 LSI Overflow
Sounds like a broken tach wire.
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Originally Posted by underthetire
Sounds like a broken tach wire.
Gtmondock, underthetire
Thank you so much, After check it, i Will post result
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Originally Posted by freemanxxx
Gtmondock, underthetire
Thank you so much, After check it, i Will post resultHello again
For this problem we checked all cable but their condition is good
So last thing is masterboard because pulsecoder and velocity unit connect to CV1-CV2/CF1, CF2
Is this problem happen from masterboard ?
Spec NO is A16B-1010-0040
Fanuc Alarms and Errors e.g. Program errors (P/S alarm), Over travel alarms, Servo alarms etc.
Fanuc Alarm SV011 LSI OVERFLOW
Fanuc Alarm SV011 LSI OVERFLOW Fanuc Alarm Description Fanuc 15i The position deviation counter overflowed. Fanuc 10/11/12/15 The value specified for position deviation compensation is not within the range of…
Fanuc Alarm SV013 IMPROPER V_READY OFF
Fanuc Alarm SV013 IMPROPER V_READY OFF Fanuc Alarm Description Fanuc 15i The speed control ready signal (VRDY) turned OFF even though the position control ready signal (PRDY) was ON. Fanuc…
Fanuc Alarm SV014 IMPROPER V_READY ON
Fanuc Alarm SV014 IMPROPER V_READY ON Fanuc Alarm Description Fanuc 10/11/12/15/15i The speed control ready signal (VRDY) turned ON even though the position control ready signal (PRDY) was OFF.
Fanuc Alarm SV022 1–REV PULSE MISSING
Fanuc Alarm SV022 1–REV PULSE MISSING Fanuc Alarm Description Fanuc 10/11/12/15 The single–revolution signal for the pulse coder did not go on within the appropriate range.
Fanuc Alarm SV023 SV OVERLOAD
Fanuc Alarm SV023 SV OVERLOAD Fanuc Alarm Description Fanuc 10/11/12/15 A servo motor overloaded.
Fanuc Alarm SV024 SYNC EXCESS ERROR ALARM 2
Fanuc Alarm SV024 SYNC EXCESS ERROR ALARM 2 Fanuc Alarm SV024 EXCESS ERROR ALARM 2 Fanuc Alarm Description Fanuc 15i The synchronous error amount is greater than the value set…
Fanuc Alarm SV025 V_READY ON (INITIALIZING)
Fanuc Alarm SV025 V_READY ON (INITIALIZING) Fanuc Alarm Description Fanuc 10/11/12/15/15i During servo control, the speed control ready signal (VRDY) turned ON even though it is supposed to be OFF
Fanuc Alarm SV012 MOTION VALUE OVERFLOW
Fanuc Alarm SV012 MOTION VALUE OVERFLOW Fanuc Alarm Description Fanuc 15i A speed exceeding the travel speed limit was specified. Fanuc 10/11/12/15 A speed greater than 512,000 pulses per second…
Fanuc Alarm SV055 ILLEGAL TANDEM AXIS
Fanuc Alarm SV055 ILLEGAL TANDEM AXIS Fanuc Alarm Description Fanuc 15/15i The setting of parameter No. 1023 is illegal in tandem control.
Fanuc Alarm SV056 ILLEGAL TANDEM PAIR
Fanuc Alarm SV056 ILLEGAL TANDEM PAIR Fanuc Alarm Description Fanuc 15i The setting of parameter No. 1020 or TDM parameter No. 1817#6 is illegal in tandem control. Fanuc 15 Bit…
Fanuc Alarm SV060 FSSB: OPEN READY TIME OUT
Fanuc Alarm SV060 FSSB: OPEN READY TIME OUT Fanuc Alarm Description Fanuc 15i The FSSB was not in a ready to open state during initialization. A probable cause is an…
Fanuc Alarm SV066 FSSB: ID DATA NOT READ
Fanuc Alarm SV066 FSSB: ID DATA NOT READ Fanuc Alarm Description Fanuc 15i Amplifier information cannot be read as FSSB is not assigned. Or, the connection between the CNC and…
Fanuc Alarm SV067 FSSB: CONFIGURATION ERROR (SOFT)
Fanuc Alarm SV067 FSSB: CONFIGURATION ERROR (SOFT) Fanuc Alarm Description Fanuc 15i The FSSB configuration error occurred. (Detected in software). Or, there is a difference in the type of connected…
Fanuc Alarm SV070 FSSB DISCONNECT
Fanuc Alarm SV070 FSSB DISCONNECT Fanuc Alarm Description Fanuc 15i FSSB communications was broken; the FSSB communications cable was disconnected, or broken; the amplifier power supply turned OFF; or, the…
Fanuc Alarm SV032 LSI OVERFLOW (SPDL)
Fanuc Alarm SV032 LSI OVERFLOW (SPDL) Fanuc Alarm Description Fanuc 15 Data for the LSI used for spindle control overflowed during rigid tapping.
Fanuc Alarm SV050 ILLEGAL AXIS SYNCHRONIZATION
Fanuc Alarm SV050 ILLEGAL AXIS SYNCHRONIZATION Fanuc Alarm Description Fanuc 15 Parameter No. 1023 is set incorrectly.
Fanuc Alarm SV109 EXCESS ERROR (G31)
Fanuc Alarm SV109 EXCESS ERROR (G31) Fanuc Alarm Description Fanuc 15i The position deviation during execution of torque limit switch operation exceeds the limit setting of parameter No. 1843.
Fanuc Alarm SV110 PULSE CORDER ALARM (SERIAL A)
Fanuc Alarm SV110 PULSE CORDER ALARM (SERIAL A) Fanuc Alarm Description Fanuc 15 An error was detected in the serial pulse coder (serial A) or feedback cable. Replace the cable…
Fanuc Alarm SV071 ILLEGAL AMP. INTERFACE
Fanuc Alarm SV071 ILLEGAL AMP. INTERFACE Fanuc Alarm Description Fanuc 15i The axes of a 2–axis amplifier were assigned to a fast–type interface; or, the axis setting was incorrect.
Fanuc Alarm SV072 SEND CNC DATA FAILED
Fanuc Alarm SV072 SEND CNC DATA FAILED Fanuc Alarm Description Fanuc 15i An FSSB communications error prevented correct data from being sent or received by the slave.
Fanuc Alarm SV031 EXCESS SPINDLE DIST (SPDL)
Fanuc Alarm SV031 EXCESS SPINDLE DIST (SPDL) Fanuc Alarm Description Fanuc 15 Excess position deviation occurred for the spindle during rigid tapping.
Fanuc Alarm SV101 DATA ERROR (ABS PCDR)
Fanuc Alarm SV101 DATA ERROR (ABS PCDR) Fanuc Alarm Description Fanuc 10/11/12/15/15i A correct machine position cannot be obtained as the absolute pulse coder has malfunctioned or the machine moved…
Fanuc Alarm SV100 S–COMP. VALUE OVERFLOW
Fanuc Alarm SV100 S–COMP. VALUE OVERFLOW Fanuc Alarm Description Fanuc 10/11/12/15/15i The value set for straightness compensation has exceeded maximum value 32,767.
Fanuc Alarm SV064 FSSB: AXIS SETTING NOT COMPLETE
Fanuc Alarm SV064 FSSB: AXIS SETTING NOT COMPLETE Fanuc Alarm Description Fanuc 15i Setting of axes was not completed in the automatic setting mode.
Fanuc Alarm SV065 FSSB: OPEN TIME OUT
Fanuc Alarm SV065 FSSB: OPEN TIME OUT Fanuc Alarm Description Fanuc 15i FSSB did not open even though FSSB initialization was not completed. Or, the connection between the CNC and…
Fanuc Alarm SV027 ILL DGTL SERVO PARAMETER
Fanuc Alarm SV027 Fanuc Alarm SV027 ILL DGTL SERVO PARAMETER Fanuc Alarm Description Fanuc 15i The setting of the digital servo parameter is illegal. Fanuc 15 There is an illegal…
Fanuc Alarm SV030 EMERGENCY STOP
Fanuc Alarm SV030 EMERGENCY STOP Fanuc Alarm Description Fanuc 15i Emergency stop occurred. Whether or not this alarm is generated is determined by ENR parameter No. 2001#0). 1: The control…
Fanuc Alarm SV074 READ ID DATA FAILED
Fanuc Alarm SV074 READ ID DATA FAILED Fanuc Alarm Description Fanuc 15i Failed to read amplifier ID information during power ON.
Fanuc Alarm SV075 MOTOR/AMP. COMBINATION
Fanuc Alarm SV075 MOTOR/AMP. COMBINATION Fanuc Alarm Description Fanuc 15i The maximum current of the motor is different from the maximum current of the amplifier; the connection between the axis…
Fanuc Alarm SV076 ILLEGAL SETTING OF AXIS
Fanuc Alarm SV076 ILLEGAL SETTING OF AXIS Fanuc Alarm Description Fanuc 15i The setting is incorrect even though functions requiring hardware for 2 axes are built into one axis.
Fanuc Alarm SV061 FSSB: ERROR MODE
Fanuc Alarm SV061 FSSB: ERROR MODE Fanuc Alarm Description Fanuc 15i The FSSB entered the error mode. Probable causes are an axis card or amplifier malfunction.
Fanuc Alarm SV062 FSSB: NUMBER OF AMP. IS INSUFFICIENT
Fanuc Alarm SV062 FSSB: NUMBER OF AMP. IS INSUFFICIENT Fanuc Alarm Description Fanuc 15i The number of amplifiers identified by the FSSB is less than the number of controlled axes….
Fanuc Alarm SV063 FSSB: CONFIGURATION ERROR
Fanuc Alarm SV063 FSSB: CONFIGURATION ERROR Fanuc Alarm Description Fanuc 15i The FSSB configuration error occurred. Or, there is a difference in the type of connected amplifier and FSSB setting.
Fanuc Alarm SV026 ILLEGAL AXIS ARRANGE
Fanuc Alarm SV026 ILLEGAL AXIS ARRANGE Fanuc Alarm Description Fanuc 15i The parameter for specifying the arrangement of the servo axes is set incorrectly. A minus value, duplicated value, or…
Fanuc Alarm SV118 DETECT ABNORMAL TORQUE
Fanuc Alarm SV118 DETECT ABNORMAL TORQUE Fanuc Alarm Description Fanuc 15 An abnormal servo motor load was detected. Reset to clear the alarm.
Below is a list of FANUC servo amplifier alarms and faults with a short description briefly describing the source of each error code. Some point to the source of the problem itself, others point to the problem and do not identify the failing/malfunctioning component.
Servo Amplifiers We Service
- FANUC Alpha, Alpha i series & Alpha is series
- FANUC AC Digital and Analog
- FANUC AC Serial Interface
- FANUC AC Series i & S
Tri Star CNC Services can provide you with more information on the meaning of your alarms. We will provide a fault diagnosis and a dependable 1-year warranty if you require FANUC servo amplifier repairs — or a new FANUC servo amplifier module or FANUC DC servo unit.
Alarm Code | Description |
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-(dash) |
Amplifier is not ready |
Blinking «-« |
(a) Disconnect the feedback cable (JF*) from the Servo Amplifier, and then switch on the power. (b) Disconnect the feedback cable (JF*) from the Pulsecoder, and then switch on the power. (Keep |
0 |
Amplifier is ready (normal operating state) |
01, 1 |
DC voltage of the main circuit power supply is abnormally high. Internal cooling circuit faulty Overcurrent flowed into the input of the main circuit. Input supply voltage imbalance, IGBT defective. (PSM-15 to PSM-55) The battery voltage of the absolute pulse coder is low. (warning) The main circuit power module (IPM) has detected an overload, overcurrent, or control supply voltage decrease, overcurrent, or control supply voltage decrease. Internal cooling circuit failure, Overload, Input supply voltage imbalance, IPM failure, or control supply voltage decrease of the power module. |
02, 2 |
Internal cooling circuit faulty. Inverter: control power supply undervoltage The battery voltage of the absolute pulse coder is low. |
2 (dot) |
+5 VDC of the control circuit power supply is abnormally low. |
03, 3 |
DC voltage of the main circuit power supply is abnormally low or the circuit breaker is tripped. The motor has overheated (OHAL). The temperature of the heat sink has risen. |
04, 4 |
DC voltage (DC link) has dropped Regenerative discharge energy is too high. Servo motor has overheated (estimated value). |
05, 5 |
Average regenerative discharge energy is too high (too frequent acceleration/deceleration) Inverter: DC link undervoltage The input power supply is abnormal (open phase) or the main circuit capacitor was not recharged within the specified time. |
5, S |
A communication error for the serial pulse coder was detected. |
5 (dot) |
Excessive regenerative discharge alarm. |
06, 6 |
Inverter: Overheat |
6 (dot) |
Inverter: Overheat |
07, 7 |
MCC is faulty. Relay contacts for the dynamic brake is faulty. The DC link voltage is abnormally high. |
08, 8 |
Abnormal current alarm (L axis) The offset of the current detection circuit of the main circuit DC link is excessive. The regenerative discharge unit is heated. |
8. (dot) |
Inverter: IPM alarm (L axis) |
09, 9 |
Abnormal current alarm (M axis) Reference position setting cannot be executed correctly. |
9. (dot) |
Inverter: IPM alarm (M axis) |
11 |
When the absolute pulse coder is used, the motor has not yet rotated through more than one turn after the first power–up. |
16 |
The main circuit power supply has an open phase. |
17 |
The DC link voltage is abnormally high. |
18 |
An error occurred in internal parameter data transfer processing. |
26 |
The frequency of the main circuit input power supply is abnormal. |
36 |
The input power supply of the main circuit has an imbalance. |
46 |
When the magnetic contactor is turned on, the phase sequence of the power supply cannot be determined. |
A |
A parameter has been specified incorrectly. Abnormal current alarm (N axis) External cooling circuit faulty. |
A. (dot) |
Inverter: IPM alarm (N axis) |
A0 |
ROM is faulty. |
A1 |
RAM is faulty |
A2 |
A software is not operating normally. |
b |
Abnormal current alarm (L axis) Abnormally high current in the L–and M–axis motors DC link current alarm (L axis) |
b. (dot) |
IPM alarm for L–and M–axis axes. |
BRK |
Breaker has tripped |
c |
An overcurrent alarm or IPM alarm DC link current alarm (M axis) |
C |
Faulty cooling circuit |
d |
Abnormal current alarm (N axis) DC link current alarm N axis) |
DC |
Discharge alarm |
DCAL |
The regenerative discharge circuit may be faulty |
E |
An error was detected in the RAM write/read test at power–up. The input power supply is abnormal (open phase). |
F |
External cooling circuit faulty |
H |
The temperature of the regenerative resistor has arisen abnormally. (PSMR) |
HCAL L/M |
High current flow the the main circuit of that axis has occurred |
HCL |
High current alarm L axis |
HCM |
High current alarm M axis |
HV |
High voltage alarm |
HVAL L/M |
DC voltage of the power curcuit for that axis is high |
J |
The regenerative discharge unit has overheated |
L |
FSSB communication error |
LV |
Low voltage alarm |
LVAL |
The circuit voltage is unusually low |
No LED |
200-V control power (CX1A) is not supplied. Alternatively, the 24-VDC power is short-circuited. |
OH |
Overheat alarm |
OVC L/M |
Current exceeding the preset value has continued longer than normal. |
P |
Communication error between amplifier and module DC link low voltage alarm |
TGLS L/M |
Feedback and velocity command mismatch |
U |
A parameter that requires power–down has been specified. FSSB communication error |
u |
A first to third reference position return cannot be executed because the reference position has not yet been established. |
Y |
DC link overvoltage alarm |
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Alarm Code | Message | Description |
---|---|---|
400 |
SERVO ALARM: n–TH AXIS OVERLOAD |
The n–th axis (axis 1–8) overload signal is on. Refer to diagnostic display No. 201, 720 or 721 for details. |
401 |
SERVO ALARM: n–TH AXIS VRDY OFF |
The n–th axis (axis 1–8) servo amplifier READY signal (DRDY) went off. |
402 |
SERVO ALARM 3, 4TH AXIS OVERLOAD |
3-axis, 4-axis overload signal is on. Refer to diagnostic display 722 or 723 for details. |
404 |
SERVO ALARM: n–TH AXIS VRDY ON |
Even though the n–th axis (axis 1–8) READY signal (MCON) went off, the servo amplifier READY signal (DRDY) is still on. Or, when the power was turned on, DRDY went on even though MCON was off. Check that the servo interface module and servo amp are connected. |
405 |
SERVO ALARM: (ZERO POINT RETURN FAULT) |
Position control system fault. Due to an NC or servo system fault in the reference position return, there is the possibility that reference position return could not be executed correctly. Try again from the manual reference position return. |
407 |
SERVO ALARM: EXCESS ERROR |
The difference in synchronous axis position deviation exceeded the set value. |
409 |
SERVO ALARM: n AXIS TORQUE ALM |
Abnormal servo motor load has been detected. Alternatively, abnormal spindle motor load has been detected in Cs mode. |
410 |
SERVO ALARM: n–TH AXIS – EXCESS ERROR |
The position deviation value when the n–th axis (axis 1–8) stops is larger than the set value. |
411 |
SERVO ALARM: n–TH AXIS – EXCESS ERROR |
The position deviation value when the n–th axis (axis 1–8) moves is larger than the set value. |
413 |
SERVO ALARM: n–th AXIS – LSI OVERFLOW |
The contents of the error register for the n–th axis (axis 1–8) exceeded 231 power. This error usually occurs as the result of an improperly set parameters. |
414 |
SERVO ALARM: n–TH AXIS – DETECTION RELATED ERROR |
N–th axis (axis 1–8) digital servo system fault. Refer to diagnosis display No. 200 and No.204 for details. Also look at the servo amlifier for alarm code. |
415 |
SERVO ALARM: n–TH AXIS – EXCESS SHIFT |
A speed higher than 511875 units/s was attempted to be set in the n–th axis (axis 1–8). This error occurs as the result of improperly set CMR. |
416 |
SERVO ALARM: n–TH AXIS – DISCONNECTION |
Position detection system fault in the n–th axis (axis 1–8) pulse coder (disconnection alarm). Refer to diagnosis display No. 201 for details. |
417 |
SERVO ALARM: n–TH AXIS – PARAMETER INCORRECT |
This alarm occurs when the n–th axis (axis 1–8) is in one of the conditions listed below. (Digital servo system alarm) 1) The value set in Parameter No. 2020 (motor form) is out of the specified limit. 2) A proper value (111 or –111) is not set in parameter No.2022 (motor revolution direction). 3) Illegal data (a value below 0, etc.) was set in parameter No. 2023 (number of speed feedback pulses per motor revolution). 4) Illegal data (a value below 0, etc.) was set in parameter No. 2024 (number of position feedback pulses per motor revolution). 5) Parameters No. 2084 and No. 2085 (flexible field gear rate) have not been set. 6) A value outside the limit of {1 to the number of control axes} or a non–continuous value (Parameter 1023 (servo axis number) contains a value out of the range from 1 to the number of axes, or an isolated value (for example, 4 not preceded by 3).was set in parameter No. 1023 (servo axisnumber). 7) The amplifier in use does not support the HC alarm avoidance function. If you want to use this amplifier, reset the function bit 2209#4 to 0. If you want to use the HC alarm avoidance function, use an amplifier that supports it. |
420 |
SERVO ALARM: n AXIS SYNC TORQUE (M series) |
During simple synchronous control, the difference between the torque commands for the master and slave axes exceeded the value set in parameter No. 2031. |
421 |
SERVO ALARM: n AXIS EXCESS ER (D) |
The difference between the errors in the semi–closed loop and closed loop has become excessive during dual position feedback. Check the values of the dual position conversion coefficients in parameters No. 2078 and 2079. |
422 |
SERVO ALARM: n AXIS |
In torque control of PMC axis control, a specified allowable speed has been exceeded. |
423 |
SERVO ALARM: n AXIS |
In torque control of PMC axis control, the parameter–set allowable cumulative travel distance has been exceeded. |
430 |
n AXIS : SV. MOTOR OVERHEAT |
A servo motor overheat occurred. |
431 |
n AXIS : CNV. OVERLOAD |
1) PSM: Overheat occurred. 2) β series SVU: Overheat occurred. |
432 |
n AXIS : CNV. LOWVOLT CON. |
1) PSM: The control power supply voltage has dropped. 2) PSMR: The control power supply voltage has dropped. 3) β series SVU: The control power supply voltage has dropped |
434 |
n AXIS : INV. LOWVOLT CONTROL |
SVM: The control power supply voltage has dropped. |
435 |
n AXIS : INV. LOWVOLT DC LINK |
SVM: The DC link voltage has dropped. |
436 |
n AXIS : SOFTTHERMAL (OVC) |
The digital servo software detected the soft thermal state (OVC). |
437 |
n AXIS : CNV. OVERCURRENT POWER |
PSM: Overcurrent flowed into the input circuit. |
438 |
n AXIS : INV. ABNORMAL CURRENT |
1) SVM: The motor current is too high. 2) α series SVU: The motor current is too high. 3) β series SVU: The motor current is too high. |
439 |
n AXIS : CNV. OVERVOLT POWER |
1) PSM: The DC link voltage is too high. 2) PSMR: The DC link voltage is too high. 3) α series SVU: The C link voltage is too high. 4) β series SVU: The link voltage is too high. |
440 |
n AXIS : CNV. EX DECELERATION POWER |
1) PSMR: The regenerative discharge amount is too large. 2) α series SVU: The regenerative discharge amount is too large. Alternatively, the regenerative discharge circuit is abnormal. |
441 |
n AXIS : ABNORMAL CURRENT OFFSET |
The digital servo software detected an abnormality in the motor currentdetection circuit. |
442 |
n AXIS : CNV. CHARGE FAILURE |
1) PSM: The spare discharge circuit of the DC link is abnormal. 2) PSMR: The spare discharge circuit of the DC link is abnormal. |
443 |
n AXIS : CNV. COOLING FAN FAILURE |
1) PSM: The internal cooling fan failed. 2) PSMR: The internal cooling fan failed. 3) β series SVU: The internal cooling fan failed. |
444 |
n AXIS : INV. COOLING FAN FAILURE |
SVM: The internal cooling fan failed. |
445 |
n AXIS : SOFT DISCONNECT ALARM |
The digital servo software detected a broken wire in the pulse coder. |
446 |
n AXIS : HARD DISCONNECT ALARM |
A broken wire in the built–in pulse coder was detected by hardware. |
447 |
n AXIS : HARD DISCONNECT (EXT) |
A broken wire in the separate detector was detected by hardware. |
448 |
n AXIS : UNMATCHED FEEDBACK ALARM |
The sign of feedback data from the built–in pulse coder differs from that of feedback data from the separate detector. |
449 |
n AXIS : INV. IPM ALARM |
1) SVM: IPM (intelligent power module) detected an alarm. 2) α series SVU: IPM (intelligent power module) detected an alarm. |
453 |
n AXIS : SPC SOFT DISCONNECT ALARM |
Software disconnection alarm of the α pulse coder. Turn off the power to the CNC, then remove and insert the pulse coder cable. If this alarm is issued again, replace the pulse coder. |
456 |
ILLEGAL CURRENT LOOP |
The current control cycle settings (parameter No. 2004, bit 0 of parameter No. 2003, and bit 0 of parameter No. 2013) are incorrect. Possible problems are as follows. – For the two axes whose servo axis numbers (settings of parameter No. 1023) are an odd number followed by an even number (a pair of axes 1 and 2 or axes 5 and 6, for example), a different current control cycle is set for each of the axes. – The requirements for slaves needed for the set current control cycle, including the number, type, and connection method of them, are not satisfied. |
457 |
ILLEGAL HI HRV (250US) |
Use of high–speed HRV is specified although the current control cycle is 200 μs. |
458 |
CURRENT LOOP ERROR |
The current control cycle setting does not match the actual current control cycle. |
459 |
HI HRV SETTING ERROR |
Of two axes having adjacent servo axis numbers (parameter No. 1023), odd number and even number, high–speed HRV control can be performed for one axis and not for the other. |
460 |
n AXIS : FSSB DISCONNECT |
FSSB communication was disconnected suddenly. The possible causes are as follows: 1) The FSSB communication cable was disconnected or broken. 2) The power to the amplifier was turned off suddenly. 3) A low–voltage alarm was issued by the amplifier. |
461 |
n AXIS : ILLEGAL AMP INTERFACE |
The axes of the 2–axis amplifier were assigned to the fast type interface. |
462 |
n AXIS : SEND CNC DATA FAILED |
Because of an FSSB communication error, a slave could not receive correct data. |
463 |
n AXIS : SEND SLAVE DATA FAILED |
Because of an FSSB communication error, a slave could not receive correct data. |
464 |
n AXIS : WRITE ID DATA FAILED |
An attempt was made to write maintenance information on the amplifier maintenance screen, but it failed. |
465 |
n AXIS : READ ID DATA FAILED |
At power–up, amplifier initial ID information could not be read. |
466 |
n AXIS : MOTOR/AMP COMBINATION |
The maximum current rating for the amplifier does not match that for the motor. |
467 |
n AXIS : ILLEGAL SETTING OF AXIS |
The servo function for the following has not been enabled when an axis occupying a single DSP (corresponding to two ordinary axes) is specified on the axis setting screen. 1. Learning control (bit 5 of parameter No. 2008 = 1) 2. High–speed current loop (bit 0 of parameter No. 2004 = 1) 3. High–speed interface axis (bit 4 of parameter No. 2005 = 1) |
468 |
HI HRV SETTING ERROR(AMP) |
Use of high–speed HRV is specified for a controlled axis of an amplifier which does not support high–speed HRV. |
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Alarm Code | Message | Description |
---|---|---|
600 |
n AXIS: INV. DC LINK OVER CURRENT |
DC link current is too large. |
601 |
n AXIS: INV. RADIATOR FAN FAILURE |
The external dissipator cooling fan failed. |
602 |
n AXIS: INV. OVERHEAT |
The servo amplifier was overheated. |
603 |
n AXIS: INV. IPM ALARM(OH) |
The IPM (intelligent power module) detected an overheat alarm. |
604 |
n AXIS: AMP. COMMUNICATION ERROR |
Communication between the SVM and the PSM failed. |
605 |
n AXIS: CNV. EX. DISCHARGE POWER |
PSMR: Regenerative power is too large. |
606 |
n AXIS: CNV. RADIATOR FAN FAILURE |
PSM: The external dissipator cooling fan failed. PSMR: The external dissipator cooling fan failed. |
607 |
n AXIS: CNV. SINGLE PHASE FAILURE |
PSM: Input voltage is in the open–phase condition. PSMR: Input voltage is in the open–phase condition. |
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Alarm Code | Description |
---|---|
SV0027 or 027 |
Invalid digital servo parameter setting |
SV0361 or 361 |
Pulsecoder phase error (built-in) |
SV0364 or 364 |
Soft phase alarm (built-in) |
SV0365 or 365 |
LED error (built-in) |
SV0366 or 366 |
Pulse error (built-in) |
SV0367 or 367 |
Count error (built-in) |
SV0368 or 368 |
Serial data error (built-in) |
SV0369 or 369 |
Data transfer error (built-in) |
SV0380 or 380 |
LED error (separate) |
SV0381 or 381 |
Pulsecoder phase error (separate) |
SV0382 or 382 |
Count error (separate) |
SV0383 or 383 |
Pulse error (separate) |
SV0384 or 384 |
Soft phase alarm (separate) |
SV0385 or 385 |
Serial data error (separate) |
SV0386 or 386 |
Data transfer error (separate) |
SV0387 or 387 |
Sensor error (separate) |
SV0417 or 417 |
Invalid parameter |
SV0421 or 421 |
Excessive semi-full error |
SV0430 or 430 |
Servo motor overheat |
SV0432 or 432 |
Converter: control power supply undervoltage |
SV0433 or 433 |
Converter: DC link undervoltage |
SV0436 or 436 |
Soft thermal (OVC) |
SV0438 or 438 |
Inverter: motor current alarm |
SV0439 or 439 |
Converter: DC link overvoltage |
SV0440 or 440 |
Converter: Excessive deceleration power |
SV0441 or 441 |
Current offset error |
SV0444 or 444 |
Inverter: internal cooling fan stopped or circuit failed |
SV0445 or 445 |
Soft disconnection alarm |
SV0447 or 447 |
Hard disconnection alarm (separate) |
SV0448 or 448 |
Feedback mismatch alarm |
SV0449 or 449 |
Inverter: IPM alarm |
SV0453 or 453 |
Soft disconnection alarm (α Pulsecoder) |
SV0601 or 601 |
Inverter: cooling fan stopped of the radiator |
SV0603 or 603 |
Inverter: IPM alarm (OH) |
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Status 1 Spindle Unit | Status 2 Spindle Unit | Description |
---|---|---|
12 |
Not applicable |
IPM alarm |
19 |
Not applicable |
Excessive offset of the phase U current detection circuit |
20 |
Not applicable |
Excessive offset of the phase V current detection circuit |
21 |
Not applicable |
Position sensor polarity setting incorrect |
24 |
Not applicable |
Serial transfer data error |
27 |
Not applicable |
Position coder disconnected |
29 |
Not applicable |
Short-period overload |
30 |
Not applicable |
Overcurrent in the converter input circuit |
31 |
Not applicable |
Motor lock alarm |
32 |
Not applicable |
Serial communication LSI RAM error |
33 |
Not applicable |
Converter: DC link precharge failure |
34 |
Not applicable |
Parameter data out of the specifiable range |
35 |
Not applicable |
Gear ratio parameter error |
37 |
Not applicable |
Speed detector parameter error |
41 |
Not applicable |
Position coder one-rotation signal detection error |
42 |
Not applicable |
Position coder one-rotation signal not detected |
47 |
Not applicable |
Position coder signal error |
50 |
Not applicable |
Excessive speed command calculation value during spindle synchronization |
51 |
Not applicable |
Converter: DC link undervoltage |
52 |
Not applicable |
ITP signal error I |
53 |
Not applicable |
ITP signal error II |
54 |
Not applicable |
Current overload alarm |
58 |
Not applicable |
Converter: main circuit overload |
73 |
Not applicable |
Motor sensor disconnected |
75 |
Not applicable |
CRC test alarm |
79 |
Not applicable |
Abnormal initial test operation |
81 |
Not applicable |
Motor sensor one-rotation signal detection error |
82 |
Not applicable |
Motor sensor one-rotation signal not detected |
83 |
Not applicable |
Motor sensor signal error |
84 |
Not applicable |
Spindle sensor disconnected |
85 |
Not applicable |
Spindle sensor one-rotation signal detection error |
86 |
Not applicable |
Spindle sensor one-rotation signal not detected |
87 |
Not applicable |
Spindle sensor signal error |
b0 |
Not applicable |
Communication error between amplifier and module |
b1 |
Not applicable |
Converter: control power supply low voltage |
C0, C1, C2 |
Not applicable |
Communication data alarm |
4, 04 |
— (dash) |
Input power supply is abnormal (open phase) |
11 |
— (dash) |
DC voltage at the DC link is abnormally high |
30 |
— (dash) |
The main circuit power module (IPM) has detected an abnormal condition. |
33 |
— (dash) |
The main circuit capacitor was not recharged within the specified time |
51 |
— (dash) |
In the main circuit, the DC voltage (DC link) has dropped. |
58 |
— (dash) |
Temperature of the main circuit heat sink has risen abnormally |
59 |
— (dash) |
Internal cooling circuit faulty |
b1 |
— (dash) |
Power supply voltage decrease |
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