Error description 237-13003

Error message

13003 UM: IGBT error %1 (maximum current: %4A, phase %5)

Cause of error

- Undervoltage monitor or short-circuit monitor of an IGBT has responded in the UM inverter or UEC compact inverter.

Error correction

- Check the current controller adjustment
- Check for proper motor connection and short circuit
- Check the motor for an interwinding fault
- Inform your service agency
- Exchange the power module