YASKAWA GA500 - Page 37

Troubleshooting
2
2.3 List of Fault, Minor Fault, Alarm, and Error Codes
YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING 37
Display (Hex.) Name ALM LED Type Ref.
rH (0010) Braking Resistor Overheat Illuminated Fault 57
rr (000F) Dynamic Braking Transistor Fault Illuminated Fault 57
rUn (001B) Motor Switch during Run Flashing Alarm 68
SC (0005) Short Circuit/IGBT Failure Illuminated Fault 57
SCF (040F) Safety Circuit Fault Illuminated Fault 57
SE (0020) Modbus Test Mode Error Flashing Alarm 68
SEr (003B) Speed Search Retries Exceeded Illuminated Fault 57
SToF (003B) Safe Torque OFF Flashing Alarm 68
STPo (0037) Motor Step-Out Detected Illuminated Fault 58
TiM (0089) Keypad Time Not Set Flashing Alarm 68
TiM (0401) Keypad Time Not Set Illuminated Fault 58
TrPC (0042) IGBT Maintenance Time (90%) Flashing Alarm 68
UL3 (001E) Undertorque Detection 1 Flashing Alarm 69
UL3 (0029) Undertorque Detection 1 Illuminated Fault 58
UL4 (001F) Undertorque Detection 2 Flashing Alarm 69
UL4 (002A) Undertorque Detection 2 Illuminated Fault 58
UL5 (003E) Mechanical Weakening Detection 2 Flashing Alarm 69
UL5 (0045) Mechanical Weakening Detection 2 Illuminated Fault 58
Uv (0001) DC Bus Undervoltage Flashing Alarm 69
Uv1 (0002) DC Bus Undervoltage Illuminated Fault 58
Uv2 (0003) Control Power Undervoltage Illuminated Fault 59
Uv3 (0004) Soft Charge Answerback Fault Illuminated Fault 59
vAEr Voltage Class, Capacity Mismatch - Backup Function Runtime Error 80
vFyE Parameters do not Match - Backup Function Runtime Error 80