E04 Inverter Overtemperature fault in Weg CFW-08 Drive

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E04 fault in Weg CFW-08 Drive indicates Inverter Overtemperature. This means the heat sink temperature is too high, potentially due to poor ventilation, fan failure, or high ambient heat.Cause:Ambient temperature too high (>40°C).Output current too high.Blower locked or defective.Blocked airflow.Remedy:Allow the inverter to cool down before trying to reset. Check blower installed inside. Check ambient temperature and ventilation. For types with internal RFI-filters, check for internal airflow overtemperature. Reset Method: Power-on, Manual, Auto-reset, or DI.

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