A060 alarm in WEG CFW900 Drive indicates an IGBT/DRL Junction Overtemperature. This means the internal junction of the power modules or diodes is approaching critical thermal limits.
Cause:
- High ambient temperature around the inverter (>50 °C) and high output current.
- Blocked or defective cooling fan.
- Inverter heatsink is too dirty, preventing proper cooling airflow.
Remedy:
Clean the heatsink. Check if the cooling fan is blocked or defective. Ensure surrounding ambient temperature is within limits.
