Applicable Systems
AC500
AC590
ACS580
ACS880
Symptoms
Ambient temperature inside the enclosure is too high.
Possible Causes
- Enclosure ventilation blocked
- Cooling fan failure
- High ambient temperature
Troubleshooting Steps
- Step 1: Check enclosure ventilation and clear obstructions
Airflow restored - Step 2: Verify cooling fan operation
Fan running at rated speed - Step 3: Reduce ambient temperature or improve ventilation
Temperature within rated range
How to Reset
Reset via control panel after temperature normalizes.
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Source: ABB ACS580 Firmware Manual
Category: PLC & VFD
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