Question about Frigidaire Over-the-Range Microwave

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My Microwave oven makes a loud buzzing noise and appears as if its about to catch fire with flashing coming from the metal plate located on the right side of the oven. It's model number 7G65005787. Frigidaire Gallery Series. Electrolux Home Products.

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Quite often this is due to grease or food particles stuck somewhere in the cavity of the oven or stuck on or behind the waveguide cover.

The waveguide cover (also called a spatter shield) is usually on the right side of the cavity and is about the size of a playing card and often held in place by a plastic rivet.

In some models it is a larger stirrer cover type made of thicker plastic in the ceiling of the oven.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If your waveguide cover is burned, it will need to be replaced.

It provides critical protection for the magnetron.

Your owner's manual may show you how to remove the cover.

You can download owner's manuals and installation instructions for Electrolux and Frigidaire here.

Otherwise, you can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.


We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Jan 31, 2010

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