Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
IGBT temperature exceeded trip limit.
Possible Causes
Insufficient cooling, high ambient temperature, dirty heat sink, or fan failure.
Troubleshooting Steps
Check and clean cooling fans, verify ambient temperature, check for blocked airflow.
How to Reset
Cool down and reset
Common Replacement Parts
- Cooling fan
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Source: ABB ACS880 fault manual
Category: Electrical
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