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Joe Schmidt Posted on Dec 19, 2017
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Kenmore 721.62629200 microwave is not heating anymore, operates like normal EXCEPT NO HEAT

. you put in the time and push start and it it acts totally like it is working but when you open the microwave there is no sense of heat and food is exactly like when you put it in originally.

1 Answer

Clive

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  • Kenmore Master 882 Answers
  • Posted on Dec 19, 2017
Clive
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A microwave service tech will have to check your magnetron.

5 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Nov 25, 2008

SOURCE: LG LMVM1935SB Microwave won't heat anymore!

With these symptoms, I would suspect you have a bad magnetron.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

Some manufacturers will send you the magnetron to do it yourself. If nothing else, you can save about $75 by taking it to the shop yourself.

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

To order Goldstar / L.G. parts, visit Vance Baldwin Electronics.

For more Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or
visit here. You can get warranty info & find a local authorized servicer.

L.G. / Goldstar owner's manuals can be downloaded here.

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

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Anonymous

  • 1214 Answers
  • Posted on Jan 24, 2009

SOURCE: Everything works except heat

Sounds like you've had a failure in the microwave portion of the unit.

Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -

1) Diode
2) Capacitor
3) Transformer
4) Magnetron

Anonymous

  • 319 Answers
  • Posted on Mar 21, 2009

SOURCE: Everything works except heat

this is something you should probably call a repair technician for, due to the danger of the componentry.

Usually in ther case of this problem, even a technician will advise you to replace the unit, in the minds of cost effectiveness and safety...

Anonymous

  • 6784 Answers
  • Posted on Jun 03, 2009

SOURCE: Microwave seems to be operating but does not heat food. Popping sound was heard just prior to this problem. Popping sound no longer heard but still does not heat food.

Replacing the Magnetron will fix this heating issue you are having with this microwave. The Magnetron is the device that is responsible for the heating action.

Anonymous

  • 1 Answer
  • Posted on Jan 31, 2010

SOURCE: Microwave not heating food

Hi there,

I have exactly the same problem - strange and annoying! Did you manage to fix it?

Cheers,

Ben

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