A0750 fault in WEG CFW500 Drive

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A0750 alarm in WEG CFW500 Drive indicates an unprogrammed Analog Input for the Main PID. This means the PID controller is active, but no analog input has been assigned to read the process feedback variable. 

Cause:

  • Parameter P0231 or P0236 was not programmed for 5 or 6.


Remedy:

Configure parameter P0231 or P0236 to option 5 or 6 according to the PID loop feedback setup.

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