A706 alarm in WEG CFW900 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:
Reference not programmed for SoftPLC.
- It occurs when a movement block is enabled and the speed reference is not set for SoftPLC (check C4.3.1.2).
Remedy:
Ensure local and remote speed reference setups are configured correctly for SoftPLC in parameter C4.3.1.2.
