A0784 alarm in WEG CFW701 Drive indicates an unprogrammed Analog Output for External PID 1. This means the external PID controller is active, but its output signal isn’t mapped to an analog terminal.
Cause:
- Parameter P0251 or P0254 is not programmed to option 16.
Remedy:
Configure parameter P0251 or P0254 to option 16 to set the analog output target.