A0706 alarm in WEG CFW500 Drive indicates an Unprogrammed SoftPLC Reference. This means a movement block was activated in the PLC program, but no valid speed reference was configured.
Cause:
- Speed reference is missing or incorrectly routed in the local or remote configuration (parameters P0221 and P0222).
Remedy:
Check and verify the speed reference configuration in parameters P0221 and P0222 (Local and Remote modes).
