A0794 alarm in WEG CFW701 Drive indicates an unprogrammed Analog Output for External PID 2. This means the second external PID controller is active, but its output signal isn’t mapped to an analog terminal.
Cause:
It indicates to the user there is not analog output programmed for External PID controller 2 output. Parameter P0251 or P0254 is not programmed in 17.
Remedy:
Configure the analog output by setting parameter P0251 or P0254 to option 17.
