Question about Frigidaire PLMB209DC Microwave Oven

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I have an Amana AMV5206AAS over the stove microwave oven. It was manufactured in May 2004. About a month ago it began making a loud, metalic, grinding or dragging sound after 1-2 minutes of operation. It continues to heat and does not make the sound if it is run for less than a minute. Given the age of the machine, is this a problem that warrants a service call or is it a lost cause? The warranty will cover the magnetron up to 5 years, so I might have to cover the cost myself. Is it worth fixing or should I get a new microwave.

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  • William Miller
    William Miller May 11, 2010

    I would first check the stirrer blades for arcing due to grease deposits or mechanical binding. You would need to remove the stirrer cover. It's in the ceiling of the oven and held in place with a rivet. You can find
    helpful exploded view diagrams and order parts by entering your full
    model number from the tag on the oven here. You can also temporarily leave the cover off long enough to test the oven. Heat some water about 3-4 minutes with the cover out and see if you see any arcing or see the stirrer hitting or hesitating. If the sound is like gurgling into a coffee cup, that is a bad magnetron. Can you post a sound clip or video with sound?


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Posted on Jan 02, 2017

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SOURCE: how do i check the fuse of amana microwave model


Posted on Sep 26, 2009

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SOURCE: My Microwave oven makes a loud buzzing noise and

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

  • 130 Answers

SOURCE: Less than 5 years old

That pop was the magnetron frying. This is a repairable problem, but feirly expensive, around $300 if you have it done by a professional.

Please rate my response if it was helpful to you.

Thanks, Repairman45.

Posted on Dec 02, 2010

Testimonial: "Quick and accurate! Will go ahead and replace the entire unit. Thanks REPAIRMAN45!"

  • 670 Answers

SOURCE: My Frigidaire microwave is less than a year old.

The symptoms of loud noise and no heat indicate a short in the magnetron or high voltage diode. Need to take it to a qualified repair, to figure out what the problem. The magnetron replacement can cost as much as a new oven. See what the warranty covers, maybe you might luck out.

Posted on Dec 07, 2010

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