FANUC Servo alarms Series 16i / 18i / 160i / 180i / 160is / 180is – MA รับซ่อม Servo FANUC CONTROL ทุกรุ่น
Number Message Contents
401
 SERVO ALARM: n–TH AXIS VRDY
OFF		 The n–th axis (axis 1–8) servo amplifier READY signal (DRDY) went off.
Refer to procedure of trouble shooting.
402
 SERVO ALARM: SV CARD NOT EXIST The axis control card is not provided.
403
 SERVO ALARM: CARD/SOFT MISMATCH The combination of the axis control card and servo software is illegal.
The possible causes are as follows:
· A correct axis control card is not provided.
· Correct servo software is not installed on flash memory.
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.
Refer to procedure of trouble shooting.
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.
Refer to procedure of trouble shooting.
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.
415
 SERVO ALARM: n–TH AXIS – EXCESS
SHIFT		 A speed higher than 524288000 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.
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 prceded by 3).was set in parameter No.
1023 (servo axisnumber).
420
 SERVO ALARM: n AXIS SYNC
TORQUE		 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./
POWFAULT		 1) PSM: Phase missing occurred in the input voltage.
2) PSMR: The control power supply voltage has dropped.
3) α series SVU: The control power supply voltage has dropped.
433
 n AXIS : CNV. LOW VOLT DC LINK 1) PSM: The DC link voltage has dropped.
2) PSMR: The DC link voltage has dropped.
3) α series SVU: The DC link voltage has dropped.
4) β series SVU: The DC link voltage has dropped.
434
 n AXIS : INV. LOW VOLT CONTROL SVM: The control power supply voltage has dropped.
435
 n AXIS : INV. LOW VOLT 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
POW.		 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 current
detection circuit.
442
 n AXIS : CNV. CHARGE FAULT/INV.
DB		 1) PSM: The spare discharge circuit of the DC link is abnormal.
2) PSMR: The spare discharge circuit of the DC link is abnormal.
3) α series SVU: The dynamic brake circuit is abnormal.
443
 n AXIS : CNV. COOLING FAN FAILURE 1) PSM: The internal stirring fan failed.
2) PSMR: The internal stirring fan failed.
3) β series SVU: The internal stirring fan failed.
444
 n AXIS : INV. COOLING FAN FAILURE SVM: The internal stirring 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.
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, the servo system 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)

 

 

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