Issue:
What is a bPF fault on the ATS22 soft starter?

Product Line:
Altistart ATS22

Environment:
All

Cause:
Bypass contactor detected fault

Resolution:
Check for a welded bypass contactor or shorted SCR.
If you find a shorted SCR or bypass contactor, you will need to replace the soft starter.
Reference the manual BBV51330 of ATS22 installation guide.