Question about GE Adora Over the Range Microwave. Spacemaker 1.9 cu. ft. in

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Arcing and flashing during cooking cycle - GE Adora Over the Range Microwave. Spacemaker 1.9 cu. ft. in

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Arcing and flashing either has to do with having metal parts inside that are not chromed perfectly (better yet only put metal in if it's a microwave convection oven on convection setting only), or some of the powder coating on the inside of the cabinet is damaged. Or a twist tie etc was inside during use. If the cabinet is damaged dispose of unit.

Posted on Oct 21, 2013


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I expect the arcing came from the waveguide cover or aerial cover having either a crack or carbonised food particles on it.
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My microwave arcs every time I try to heat something. The silver colored plate on the interior right side of the cabinet appears to be burned. What happened and can it be fixed?

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Microwave is arcing and making a popping noise as if something metal was in there while cooking.

I will assume that you do not have any metal items or bits of tinfoil lying around inside the oven.

If the sparks are happening on the inside of the microwave's cooking area while you are cooking, then make sure you clean the inner surfaces really well. Be sure to remove any cooked on food particles that may have splashed up during cooking.

Most likely you have some corrosion or dried food debris inside the cooking area, or perhaps even some food particles stuck to your WAVEGUIDE COVER PLATE. A dirty waveguide cover plate can certainly cause the arcing and sparking you describe.

If the thorough cleaning does not work, you may need to replace the waveguide cover. Here is a link to a short video that shows you exactly how to replace the wave guide cover yourself:

Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the video at the website indicated.

If the sparks are coming from somewhere other that the cooking area, then your unit may need more significant electrical repairs or service.

Here is a link to another expert's excellent Microwave Troubleshooting Guide:

If you choose to rate Heatman 101's tip using the Thumbs Up scale provided, I thank you very much for your time and consideration.
I hope that was helpful to you, good luck and take care.


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