Michael H Hillsborough , NJ July 29, 2022 Appliance: General Electric Microwave PVM2170DR1BB Ge Microwave Pvm2170dr1bb: Microwave turned on and everything appeared to work normally but the food did not get hot. How to replace Lower Lever Switch. I discovered that the lower door switch had failed - the switch was stuck in a normally open position. I replaced the door switch and that fixed the problem. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes