A1404 / F1405 Slot D Temperature Warning / Fault Temperature or overtemperature inside the Slot D accessory is high. fault in WEG CFW900 Drive
These codes indicate a Slot D Temperature anomaly. This means the accessory in Slot D is overheating, likely due to high ambient cabinet temperatures.
Cause:
- Temperature around the inverter is close to or above 60 ºC.
Remedy:
Check and improve enclosure ventilation. Inspect cooling fans or auxiliary cabinet cooling systems. Ensure ambient operating temperature is within limits.
