Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
IGBT module overload detected.
Possible Causes
Sustained high current through IGBT, insufficient cooling, or switching frequency too high.
Troubleshooting Steps
Reduce load, check cooling fans, reduce switching frequency if possible.
How to Reset
Fix cause and reset
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Source: ABB ACS880 fault manual
Category: Electrical
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