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