Troubleshooting
7
7.3 List of Fault, Minor Fault, Alarm, and Error Codes
YASKAWA SIEPC71061753C GA500 Technical Manual 255
Display (Hex.) Name ALM LED Type Ref.
UL3 (001E) Undertorque Detection 1 Flashing Alarm 285
UL3 (0029) Undertorque Detection 1 Illuminated Fault 275
UL4 (001F) Undertorque Detection 2 Flashing Alarm 285
UL4 (002A) Undertorque Detection 2 Illuminated Fault 275
UL5 (003E) Mechanical Weakening Detection 2 Flashing Alarm 285
UL5 (0045) Mechanical Weakening Detection 2 Illuminated Fault 275
Uv (0001) DC Bus Undervoltage Flashing Alarm 286
Uv1 (0002) DC Bus Undervoltage Illuminated Fault 275
Uv2 (0003) Control Power Undervoltage Illuminated Fault 276
Uv3 (0004) Soft Charge Answerback Fault Illuminated Fault 276
vAEr Voltage Class, Capacity Mismatch - Backup Function Runtime Error 296
vFyE Parameters do not Match - Backup Function Runtime Error 296
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