APPENDIXG. ALARM LIST
B–63834EN/02
760
6) Over travel alamrs
Number Message Contents
500 OVER TRAVEL : +n Exceeded the n–th axis + side stored stroke limit I.
(Parameter No.1320 or 1326 Notes)
501 OVER TRAVEL : –n Exceeded the n–th axis – side stored stroke limit I.
(Parameter No.1321 or 1327 Notes)
502 OVER TRAVEL : +n Exceeded the n–th axis + side stored stroke limit II.
(Parameter No.1322 )
503 OVER TRAVEL : –n Exceeded the n–th axis – side stored stroke limit II.
(Parameter No.1323)
504 OVER TRAVEL : +n Exceeded the n–th axis + side stored stroke limit III.
(Parameter No.1324 )
505 OVER TRAVEL : –n Exceeded the n–th axis – side stored stroke limit III.
(Parameter No.1325 )
506 OVER TRAVEL : +n Exceeded the n–th axis + side hardware OT.
507 OVER TRAVEL : –n Exceeded the n–th axis – side hardware OT.
NOTE
Over travel alarms No. 504 and No. 505 are provided only with the T series.
Parameters 1326 and 1327 are effective when EXLM(stroke limit switch signal) is on.
7) Servo alarms
Number Message Contents
600 n AXIS : INV. DC LINK OVER
CURRENT
SVM: The DC link current is too high.
b SVU: The DC link current is too high.
601 n AXIS : INV. RADIATOR FAN
FAILURE
SVM: The heat sink cooling fan is defective.
b SVU: The heat sink cooling fan is defective.
602 n AXIS : INV. OVERHEAT SVM: The servo amplifier is overheated.
603 n AXIS : INV. IPM ALARM (OH) SVM: The IPM (intelligent power module) has detected an overheat
alarm condition.
b SVU: The IPM (intelligent power module) has detected an overheat
alarm condition.
604 n AXIS : AMP. COMMUNICATION
ERROR
Communication between the SVM and PSM is abnormal.
605 n AXIS : CNV. EX. DISCHARGE
POW.
PSMR: The motor regenerative power is too high.
606 n AXIS : CNV. RADIATOR FAN
FAILURE
PSM: The fan for cooling the external heat sink is defective.
PSMR: The fan for cooling the external heat sink is defective.
607 n AXIS : CNV. SINGLE PHASE
FAILURE
PSM: One of the input power phases is abnormal.
PSMR: One of the input power phases is abnormal.
8) Overheat alarms
Number Message Contents
700 OVERHEAT: CONTROL UNIT Control unit overheat
Check that the fan motor operates normally, and clean the air filter.
701 OVERHEAT: FAN MOTOR The fan motor on the top of the cabinet for the control unit is overheated.
Check the operation of the fan motor and replace the motor if necessary.
704 OVERHEAT: SPINDLE Spindle overheat in the spindle fluctuation detection
(1)If the cutting load is heavy, relieve the cutting condition.
(2)Check whether the cutting tool is share.
(3)Another possible cause is a faulty spindle amp.