F0709 fault in WEG CFW500 Drive indicates the SPLC Application Stopped. This means the custom logic program halted unexpectedly during operation, triggering a drive fault.
Cause:
- SoftPLC Application is stopped (parameters set as: P1001 = 0 and P1000 = 3).
- SoftPLC application code is incompatible with the CFW500 firmware version.
Remedy:
Verify parameter configurations for P1000 and P1001. Upload a compatible version of the SoftPLC application.
