8: ERROR overheat pow. mod. fault in KEB COMBIVERT R6 Drive

8: ERROR overheat pow. mod. fault in KEB COMBIVERT R6 Drive indicates an over-temperature condition on the heat sink. This means the power module is running too hot, usually due to a blocked fan or excessively high ambient temperatures.
Cause:

Over temperature; overheating of the heat sink.

Remedy:

Check cooling conditions, heatsink fans, and air filters (see “technical data”).