28 September 2021
What is the cause of the CFF fault on the ATS48 soft starter?
Altistart 48, ATS48
All models, all serial numbers.
Invalid configuration on power up. This could be due to a replaced control board or electrical interference that prevents the control board from reading the configuration.
This fault is due to an Internal configuration error.
Complete a Factory Reset by going to drC menu > FCS parameter> change to YES. Hold Enter button for 2s to complete this reset. Reprogram the softstart.
Cycle power to the softstart. Then provide a new run command.
If the fault persists after these steps, replace the control board or Softstart as applicable.