What is fault code F6
Joe for Model Number MH7140XFZ-1
Answer Joe, The F6 error code, on your microwave indicates an issue with the micro wave power relay circuit on the control board 8184973. You will need to test the secondary interlock switch on the door switch assembly W10211972, and wiring. If alls OK, then the contol board. We'll send you some additional information, that should help you out