A1446 / F1447 fault in WEG CFW900 Drive

A1446 / F1447 Slot D temperature sensor 6 error fault in WEG CFW900 Drive

These codes indicate a Slot D Temperature Sensor 6 Error. This means the external sensor wire is broken or short-circuited.
Cause:

  • Sensor 6 cable is broken.
  • Sensor 6 is short-circuited.
  • Sensor 6 is located in an extremely low temperature environment.

Remedy:

Check temperature sensor 6 cabling for open or short circuits. Verify that surrounding environmental temperatures are within system parameters.