A0708 alarm in WEG CFW500 Drive indicates the SoftPLC Application is Stopped. This means the custom logic program has been halted either by user parameter command or due to firmware incompatibility.
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 runtime parameters. Upload an application version compatible with the inverter’s active firmware version.