B–65195EN/01
2. ALARM NUMBER AND
BRIEF DESCRIPTIONS
TROUBLESHOOTING AND RECOVERY
41
Alarm No. SVU, SVUC Description Remark
350 Alarm3 α pulse coder error alarm 3.3.6
350 Alarm4 bit6 Rotation speed data error alarm 3.3.7
351 Alarm4 Pulse coder communication error alarm 3.3.8
400 Alarm1 bit7 Overheat alarm (motor) 3.3.4
414 Alarm5 bit6 Current conversion error alarm 3.2
414 Alarm1 bit5 Overload alarm (OVC) 3.3.2
414 Alarm1 bit3 1 DC link over-voltage alarm (HV) 3.1.2
414 Alarm1 bit6 2 Low control power voltage alarm (LV) 3.1.2
3 Low DC link voltage (LVDC) 3.1.2
414 Alarm1 bit2 4 Regenerative discharge control circuit failure alarm (DCSW) 3.1.2
5 Over-Regenerative discharge alarm (DCOH) 3.1.2
414 Alarm5 bit5 7 Dynamic brake circuit failure alarm (DBRLY) 3.1.2
414 Alarm1 bit4 8 L axis over- current alarm (HCL) 3.1.2
8. L axis IPM alarm (IPML) 3.1.2
9 M axis over- current alarm (HCM) 3.1.2
9. M axis IPM alarm (IPMM) 3.1.2
b L, M axis over- current alarm (HCLM) 3.1.2
b. L, M axis IPM alarm (IPMLM) 3.1.2
416 Alarm1 bit1 Feedback disconnected alarm 3.3.3
417 Invalid servo parameter setting alarm 3.3.5
To interpret alarms 1 to 5, see Section 3.3.1
or diagnose No.listed on the right.
Alarm1 Diagnose No. 200
Alarm3 Diagnose No. 202
Alarm4 Diagnose No. 203
Alarm5 Diagnose No. 204
2.3
ALARM NUMBER IN
Series 16, 18, 20
(SERVO ALARMS)