A1230 / F1231 Slot B temperature sensor 2 error fault in WEG CFW900 Drive
These codes indicate a Slot B Temperature Sensor 2 Error. This means the external sensor wire is broken or short-circuited.
Cause:
- Sensor 2 cable is broken.
- Sensor 2 is short-circuited.
- Sensor 2 is located in an extremely low temperature environment.
Remedy:
Check temperature sensor 2 cabling for open or short circuits. Verify that surrounding environmental temperatures are within system parameters.
