F0711 fault in WEG CFW500 Drive indicates a Fault on the SoftPLC Application. This means the drive encountered a corrupted user program or a scan cycle timeout during execution.
Cause:
- SoftPLC user’s program stored on flash memory is corrupted.
- Timeout during execution of SoftPLC scan cycle.
Remedy:
Reload the user program onto the flash memory. Optimize program execution routines to prevent scan cycle timeouts.