YASKAWA GA700 Series

Troubleshooting
7
7.3 List of Fault, Minor Fault, Alarm, and Error Codes
YASKAWA SIEPC71061705H GA700 Series Technical Manual 319
Display (Hex.) Name ALM LED Type Ref.
oPE33 Digital Output Selection Error Flashing Parameter Setting Error 365
oPr (001E) Keypad Connection Fault Illuminated Fault 343
oS (0010) Overspeed Flashing Alarm 356
oS (0018) Overspeed Illuminated Fault 343
ov (0002) Overvoltage Flashing Alarm 356
ov (0008) Overvoltage Illuminated Fault 343
ovEr Too Many Parameters Changed - Not an alarm. 356
PASS Modbus Communication Test Flashing Not an alarm. 357
PE1 (0047) PLC Fault 1 Illuminated Fault 344
PE2 (0048) PLC Fault 2 Illuminated Fault 344
PF (0047) Input Phase Loss Flashing Alarm 357
PF (001B) Input Phase Loss Illuminated Fault 345
PGo (0012) Encoder (PG) Feedback Loss Flashing Alarm 357
PGo (001A) Encoder (PG) Feedback Loss Illuminated Fault 345
PGoH (002B) Encoder (PG) Hardware Fault Flashing Alarm 357
PGoH (0038) Encoder (PG) Hardware Fault Illuminated Fault 345
PWEr DWEZ Password Mismatch - Backup Function Runtime Error 371
rdEr Error Reading Data - Backup Function Runtime Error 371
rF (004E) Braking Resistor Fault Illuminated Fault 345
rH (0010) Braking Resistor Overheat Illuminated Fault 345
rr (000F) Dynamic Braking Transistor Fault Illuminated Fault 346
rUn (001B) Motor Switch during Run Flashing Alarm 357
SC (0005) Short Circuit/ IGBT Failure Illuminated Fault 346
SCF (040F) Safety Circuit Fault Illuminated Fault 346
SE (0020) Modbus Test Mode Error Flashing Alarm 357
SEr (003B) Speed Search Retries Exceeded Illuminated Fault 346
STo (003C) Safe Torque OFF - Alarm 357
SToF (003B) Safe Torque OFF Flashing Alarm 358
STPo (0037) Motor Step-Out Detected Illuminated Fault 346
SvE (0026) Zero Servo Fault Illuminated Fault 346
TiM (0089) Keypad Time Not Set Flashing Alarm 358
TiM (0401) Keypad Time Not Set Illuminated Fault 347
TrPC (0042) IGBT Maintenance Time (90%) Flashing Alarm 358
UL3 (001E) Undertorque Detection 1 Flashing Alarm 358
UL3 (0029) Undertorque Detection 1 Illuminated Fault 347
UL4 (001F) Undertorque Detection 2 Flashing Alarm 358
UL4 (002A) Undertorque Detection 2 Illuminated Fault 347
UL5 (003E) Mechanical Weakening Detection 2 Flashing Alarm 358
UL5 (0045) Mechanical Weakening Detection 2 Illuminated Fault 347
Uv (0001) DC Bus Undervoltage Flashing Alarm 358
Uv1 (0002) DC Bus Undervoltage Illuminated Fault 347
Uv2 (0003) Control Power Undervoltage Illuminated Fault 348
Uv3 (0004) Soft Charge Answerback Fault Illuminated Fault 348
vAEr Voltage Class, Capacity Mismatch - Backup Function Runtime Error 371
vFyE Parameters do not Match - Backup Function Runtime Error 371