checked over Microwave Oven unit, found unit giving F1 error and immediately shutting down, found blower motor only reaching about 50% speed, blower motor is failing and will need to be replaced, also found motor control failing and will need to be replaced. unit is currently not functional. customer ordering parts. 10/20/20 Removed all panels, removed failed BMSC, installed new BMSC, removed failed blower motor, installed new blower motor, reinstalled panels, turned on unit, no errors at startup, put unit into test mode, checked blower motor at all speeds, verified blower motor functions properly, took unit out of test mode, allowed unit to heat, tested operations, confirmed unit working correctly at this time.