Question about Maytag MMV5156AAS Microwave Oven

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Does not heat

Our microwave mmv5156aa does not heat and is making a loud humming noise, but the turntable is still working

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  • 8,871 Answers

Chances are you have a shorted high voltage rectifier diode or a failed magnetron.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html

Thereshould also be a "mini-manual" hidden inside the unit behind thecontrol panel or hidden on the left side behind the grille, which isvery helpful when troubleshooting & testing.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Oct 20, 2008

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Please reply back with your brand and model number so we can help you.

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