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Frigidaire microwave runs but won't heat - GE Spacemaker JVM1640SJ Microwave Oven

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Frigidaire Microwave OTR FMV145KS2 not heating

Chances are it's a defective high voltage rectifier diode or magnetron.

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.

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 here.

You can download Frigidaire owner's manuals and installation instructions can be downloaded through the links here. where you can also locate a nearby authorized servicer if you choose.

The magnetron has a 10-year part warranty, but you would have to pay labor.

If nothing else, you can save about $75 by taking it to the shop yourself.

Good luck.

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

Posted on Jun 17, 2009

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Sounds like its running, but will not heat


Good Morning Friend,

I understand that your Frigidaire microwave, model# MWV150KBA, sounds like it is running but will not heat. I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes.

Once power is restored, the first thing you will need to do is set the clock. You will do this by pressing the "Clock" button once for AM and twice for PM, enter in the time, and press the "Clock" button again.

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