Jeffery W Decatur , GA October 26, 2020 Appliance: Model GE PROFILE MICROWAVE OVEN Our microwave keypad worked as usual however once you hit start nothing happened inside the heating cavity Initially my wife googled it. She found an article that indicated what the trouble may be. I used a multimeter and determined which parts were faulty. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes