Question about KitchenAid KHMS2050SSS Microwave Oven

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Food does not heat up anymore even when running

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To correctly sort the problem out, you need to replace the magnatron and capacitor with the HV diode. That will definately sort the problem out. Do not do this repair without supervision as a microwave is truly a dangerous item to repair.(Make sure the plug is out when inspecting the components. You must be exact when ordering the componenents. Read off the numbers to the supplier to get the correct items.(Thats if you insist on doing it yourself).

Posted on Sep 03, 2010

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1 Answer

My microwave does not heat. Sounds like it's working just fine....but food is not heated. Is it time to replace it? Panasonic doesn't support it anymore.


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Microwave doesn't heat food anymore


Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.

There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.


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1 Answer

Microwave doesnt heat food


Microwave not heating problems are the result of one or more of the following problems -

1) Bad fuse
2) Bad diode
3) Bad capacitor
4) Bad transformer
5) Bad magnetron.

You would need to have special equipment to test the 2nd, 3rd, and 5th items.

Reply back of any other questions/help you may need.

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