Christine W Batavia , OH January 30, 2016 Appliance: General Electric Microwave JVM1540DM5BB Ge Microwave Jvm1540dm5bb: Microwave would not heat and turn table did not turn. How to replace Sw Prim Interlock & Door. Went on line found a video that gave ideas on what might be wrong. They suggested it might be the door lock switch told how to test switches one was bad so I went to your web site and ordered a new switch. Received in two days installed it and it is working great cost only 15.00 with shipping .Was so happy to fix it with very little cost .I am a 70 year old woman and love a challenge plus I don't have a lot of extra cash . 35 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes