General Electric Microwave JEM21K03 Troubleshooting and Repair Help

We’ve put together a list of symptoms for General Electric Microwave model JEM21K03 below. The top three symptoms for JEM21K03 are "Won't start", "Doesn't shut off", and "No heat". Click on your symptom to see what causes it and how to fix it. With step by step instructions, repair info, and how-to videos, you’ll see just how easy it is to fix your broken JEM21K03 General Electric Microwave.