A0780 alarm in WEG CFW701 Drive indicates an unprogrammed Analog Input for External PID 1. This means the external PID controller is active, but no analog input is assigned to its process feedback.
Cause:
- Parameter P0231 or P0236 or P0241 is not programmed to option 8.
Remedy:
Set parameter P0231 or P0236 or P0241 to option 8 to configure process feedback.
