Question about GE JET-220 80 Watts Microwave Oven

1 Answer

Doesn't "heat" has power, all other functions work, but the microwave no longer heats food. It's a GE with model #J ET130 OA1

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  • chipalatta Jan 04, 2009

    No there aren't any unusual noises and the unit doesn't seem louder or quieter than normal. Timer works properly and the unit still "runs", just doesn't heat.



    In fact, you can actually put something in to heat and not notice anything until you reach in to get the food and notice it didn't heat up...hope this helps.

  • William Miller
    William Miller May 11, 2010

    When you hit Start to
    cook, do the inside light and turntable come on?




    Any unusual noises? Is
    it louder or quieter than usual?




    These answers will help
    me judge whether it's in the high voltage
    section (magnetron, transformer, or diode) or the control section
    (door switch or control board relay or connection).

    Note: Exploded view



×

1 Answer

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  • GE Master
  • 8,820 Answers

Especially considering the age of your unit (about 1980) with the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.

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

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

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.

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.

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

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

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

Posted on Jan 04, 2009

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