Fanuc Power Mate i-D/H Maintenance Manual

7. TROUBLESHOOTING
B63175EN/03
458
For an explanation of the following servo alarms, refer to the FANUC
CONTROL MOTOR α Series Maintenance Manual (B65165).
Number Message Contents *
417 nTH AXISPARAMETER INCORRECT The setting of a servorelated parameter is
incorrect.
417
430 n AXIS: SV. MOTOR OVERHEAT A servo motor overheat occurred.
400
431 n AXIS: CNV. OVERLAOD PSM: Overheat occurred.
432 n AXIS: CNV. LOWVOLT CON./
POWERFAULT
PSM: Phase missing occurred in the input
voltage.
PSMR: The control power supply voltage
has dropped.
414
433 n AXIS: CNV. LOW VOLT DC LINK PSM: The DC link voltage has dropped.
PSMR: 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 cir-
cuit.
438 n AXIS: INV. ABNORMAL CURRENT SVM: The motor current is too high.
439 n AXIS: CNV. OVERVOLT POWER PSM: The DC link voltage is too high.
440 n AXIS: CNV. EX DECELERATION POW. PSMR: The regenerative discharge amount
is too large.
441 n AXIS: ABNORMAL CURRENT OFFSET The digital servo software detected an ab-
normality in the motor current detection cir-
cuit.
442 n AXIS: CNV. CHARGE FAULT/INV. DB PSM: The spare discharge circuit of the DC
link is abnormal.
PSMR: The spare discharge circuit of the
DC link is abnormal.
443 n AXIS: CONV. COOLING FAN FAILURE PSM: The internal stirring fan failed.
PSMR: 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.
416
446 n AXIS: HARD DISCONNECT ALARM A broken wire in the builtin pulse coder was
detected by hardware.
NOTE
The alarm numbers mentioned in the above manual are
those shown in the * column.
7.35
SERVO ALARMS

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