One need to know what converter /device is associated to these IGBT...
Is that a overload/temeprature fault../or shortcircuit ..or Motor cable problem (that can be )...
We need that you clarify which converter ("brake" chopper/inverter..) are you referring to ...
JeremyVarker said: i am facing foe ACS880 Drive short circuit fault and faced three times but don't know the root cause. 2times in inverter side and one time in converter side