Question about Maytag MMV5207AAS Microwave Oven

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Microwave not heating food

The microwave is louder than usual and not heating up items.

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The problem you are having with your microwave is a common one. Not heating is a problem that can be caused by three things. I'll list the most common solution first, the magnetron that actually does the heating is what is making that noise and has gone bad. It is possible for you to also have a bad high voltage diode that has opened up, solution two, or solution three is the high voltage capacitor is not working properly as well. From my experience with microwaves I am positive that it is your magnetron that is bad. If you are not do it yourselfer you'll need to take it to a repair shop to replace. However, if you know how to use a screwdriver and can unplug a couple of wires with spade terminals on them, then you can take it off yourself, find another one and replace it the same way you took it off. The magnetron sits behind the control panel of your microwave but on top. It has cooling fins on it and has 2 terminals maybe three depending and make and model that plug into it. It has 4 screws that are easy to get to that actually holds it in place. If you do not have a good local source like an electronic parts supply place then you can find the right magnetron at www.mwoparts.com. Be sure you always unplug the microwave before touching or trying to take the he cover off and then when you take the magnetron off also.Good luck and God bless.

Posted on Jan 26, 2009

  • HariGB Jan 09, 2011

    If the microwave appears to be working normally (ie: light comes on; timer counts correcting, turntable turns) but there is no heating of the food, it could also be your high voltage fuse - normally 5kv 700mA or 0.7A. Check and if found faulty replace with same specification component.

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Everything is working except the food,and beverages are not heating up,and there is a noise. The thing that really bothers me is : when I touch the outside of the microwave its warm.Could it be whats already posted tht magnetron.Should I be afraid of the warmth of the microwave? Thank You:0 Ann

Posted on Oct 21, 2011

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