Brian L Elmer , NJ May 01, 2016 Microwave would not hear I had a idea it was the magantron .when it was on the cook cycle it made a loud Hume . I open the cabinet made sure the capsator was discharged and removed the magantron .when out observed end was burned out . Look online found the one I needed ,installed it and put the oven back in service. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes