IGBT temperature (hardware)

What does 31 mean?

The hardware-level overtemperature protection for the IGBT inverter bridge has activated, indicating an excessively high short-term overload current. This can be caused by heavy motor loading or an incorrectly sized motor. Persistent high temperatures can permanently damage the IGBTs, leading to catastrophic drive failure.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Perform an identification run to optimize motor parameters and drive control.