Question about Kenmore 62702 Microwave Oven

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Kenmore microwave does not heat anymore.

Hi,

My Kenmore microwave does not heat anymore. The light turns on, the turn table rotates but the item does not get heated. It does make a different noise when it rotates. There is an extra buzz in the usual sound the microwave makes.

My model number is: 363.62709200. Can someone please suggest what may be wrong? If this is a part I can change, can I buy the replacement part somewhere?

Thanks,
Sri

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  • 9,086 Answers

Assuming your inside light, turntable, and internal cooling fan all come on when you try to microwave, with the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron.

The diode is a fairly cheap fix, and the mag will cost more.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

Kenmore microwave does not heat anymore. - d:%5cele%5crepair%5cmicrowave%5cge_hotpoint%5cmini_manual_behind_grille_small.jpgdee77f7.jpg

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted or burned, it's probably okay)


http://www.gallawa.com/microtech/mag_test.html

http://www.gallawa.com/microtech/xformer.html

http://www.gallawa.com/microtech/cap_test.html

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven Sears parts site.

But Sears parts can usually be obtained for far less here by entering either the part number.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Sep 12, 2009

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