Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven

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Microwave makes a loud sound and then won't heat. About 3 years old.

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Kitchen aid model khms155lss-4 snapping noise/rumbling and it wont heatup

Posted on Apr 10, 2010

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It sounds like a failing magnetron. Sometimes they can be intermittent before they finally fail for good.

Chances are your oven has a 5-10 year warranty on the magnetron.

Please note that FixYa is not currently notifying us Experts when Clarification Requests are answered.

To allow us to help you effectively (at no charge), please post a
NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, and your detailed symptoms.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

Posted on Dec 13, 2009

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Posted on Jan 02, 2017

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