GE Cafe Microwave - error code PF

Microwave Repair
1

Brand:GE
Model Number:CEB515P4NWM
Main Symptom:PF code on digital display
What happens & when: plug in 110 vac - interior light goes on, PF code on display

Error Code (if any): PF
Parts or tests already tried: 3 new door limit switches
Photos / video link:

2

Try hitting cancel to clear the PF and program the clock and see if the unit goes to working. If there is a power surge and power goes out then the PF will come up.