Question about GE JVM1842 Microwave Oven

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Microwave left on without anything in it except plastic spash cover

My daughter was asked to set the timer for the lazagna for 85 minutes. She pushed the wrong buttons and it melted the plastic splash lid to the glass tray. The microwave shut itself off and it doesn't work at all anymore. Is this a blown fuse or something beyond my ability to repair myself. The small fuse behind the keypad shows continuity. Could it be a fuse cartridge??? Do I need an expert to repair it?? I appreciate any good knowledgable advice.

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Re: Microwave left on without anything in it except...

It's probable that since it was running empty, the magnetron overheated and a thermal cutout or thermostat located on the magnetron opened. Magnetrons may be protected by a therostat, which will reset when it cools, or a thermal fuse, which is a one-time use device. It is also possible that in some cases, a thermostat will fail when opened. Please refer to the drawing. In my professional opinion, people should not work on a microwave unless they are fully informed and aware of the deadly hazards and necessary precautions. One can find such information in our safety and disassermbly text files at _.

Posted on Sep 17, 2006

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