Question about Maytag MMV4205 Microwave Oven
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.
It may also be in the area of the turntable support, coupler, or motor.
The waveguide cover (also called a spatter shield) is usually 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 the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.
Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.
If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron.
If yours is a Maytag, you can usually find helpful exploded view diagrams and order parts by entering your full model number here.
If you don't find your model listed, please reply back with your brand and model number so we can help you.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Dec 28, 2008
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Posted on Jan 02, 2017
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Loosen up gunk and grease splattered inside your microwave by following this simple tip. Fill a pyrex measuring cup or other microwave safe bowl with one cup water and put in microwave on high for three minutes. This should bring the water to a boil. Let it set in microwave for several minutes with the door closed.
Then, wet a sponge or soft rag with a tablespoon of vinegar. If you need a degreaser, add a few drops of dishwashing liquid to it. Wipe microwave clean with the rag or sponge. The microwave will practically clean itself. Now that was easy!
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