Question about GE JVM3670 Microwave Oven

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Everrything works - food does not heat up - two fuses OK

Everything seems OK but food will not heat up. Checked the fuses and they are OK. Electrical "burn" smell from area of magnetron.

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  • c_ferekides Feb 02, 2009

    Yes!

  • Anonymous Mar 29, 2014

    Its not heat the food
    And the magnetron heat highly

  • Anonymous Mar 31, 2014

    doesnt heat the food at all. fuse look ok.

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  • GE Master
  • 8,820 Answers

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.

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

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.

Accessing some components for testing will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

It is vital that the cooling fan runs, or the magnetron will be destroyed.

When I say internal cooling fan, I do not mean the hood vent exhaust fan which you can turn on and off manually.

So verify that is working before you take the unit apart.

We have a sound clip of what a microwave should sound like when the cooling fan and all are working here.

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 or burned , it's probably fine)


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

http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though it is bad!)


If you need further help, please write back with the results of your tests.

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

Posted on Jan 03, 2009

  • William Miller
    William Miller Feb 03, 2009

    Once you've looked all this over, if our solution proved correct, we would be grateful for a FixYa rating if you think we've earned it.

    Thank you & good luck.


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