A0752 alarm in WEG CFW701 Drive indicates an unprogrammed Digital Input for PID Auto/Manual selection. This means the drive requires a digital input to toggle PID modes, but none is configured.
Cause:
- Parameter P0263 or P0264 or P0265 or P0266 or P0267 or P0268 or P0269 or P0270 is not programmed in 20.
Remedy:
Program the appropriate digital input parameter to option 20.
