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Microwave making loud buzzing sound when operated, sounds like something is about to pop.

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Could be several possible components at fault. how old is it ? does the unit heat ? if so, could be a hi voltage diode, or a hi voltage tranformer. (older frigidaire m'w's had trans. that would crackle and "arc" when bad) it is not the mag though, it wouldn't heat if so.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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My microwave no longer heats anything and also makes a really loud buzzing sound when i attempt to use it.


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1 Answer

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