Question about Microwave Ovens

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Doesn't heat Microwave stopped heating, fan stopped running, but light comes on and timer runs.

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  • Benelatus May 11, 2010

    First Question,



    How old is the microwave?



    Second Question,



    How skilled are you technically.



    If the answer to the second question is "not very" then, junk the microwave. Why? there's a possibility that there's a problem with the magnetron and/or its power supply. To find this out needs some dismantling and you should know that there are 5,000 [five thousand] volts waiting inside to trap [or kill] the unwary. Not only the 5 Kv. but the power supply has sufficient power behind it to kill.

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  • 3,037 Answers

Sounds like the magnetron has failed possibly. 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.


Benjamin

Posted on Apr 26, 2009

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