Question about LG LMV1650ST Microwave Oven

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No heat Everything works ok except, strange hum and no heat.

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Check your door on the microwave to make sure it is shutting good. Try holding in the the left side of the door while you are shutting it, or pulling the door slightly up when shutting it. There are connections that make this range stop working if it isn't aligned right. This will fix it temporarily, you will need to take it apart and try to tighten it back into place so the door is stable.

Posted on Dec 16, 2009

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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.


Benjamin

Posted on May 26, 2009

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Posted on Jan 02, 2017

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