Error description 237-1302A

Error message

1302A UM: leakage current too high %1

Cause of error

Isolation problem (e.g. defective motor, contamination within the inverter, humidity)

Error correction

- Replace the motor of the affected axes or check for a ground fault
- Replace the power cable of the affected axes or check for a ground fault
- Replace the inverter of the affected axes or check for a ground fault
- Inform your service agency