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Jenn-Air Microwave turntable not working, microwave works

Hello. I have a Jenn-Air JMC8100AD built in microwave/oven unit in the kitchen. The microwave works just fine, but the turntable does not turn. When I lifted the glass plate, and turned it on, the little black plate holder turns when the microwave is on. So, it appears that the motor is fine. It is only when the glass plate is put on top of the little black holder that it does not turn. This suggests that the weight of the glass plate is too much. I suspect that it is some sort of coupling between the motor and the black holder. I have no idea how to remove the black holder. Any help would be welcome.

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  • andyabeles Oct 26, 2008

    The exact same thing is happening to mine - the Model # is CMV 1000B,



    Andy A

  • Anonymous Mar 16, 2009

    I have the same problem with my model JMC7000. Could this be a manufacturer's defect?

  • Gail Fitzgerald
    Gail Fitzgerald Jan 29, 2014

    Same problem with GE spacesaver microwave.... although this oven is very old!!

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Not exactly a solution - but info that will help -- had the exact same problem, same model etc. I had two servicing companies come out and look at it. One was the local Jenn-Air dealer techs, the other was an independent repairman. The shaft/coupler thing needs replacing. Guess what? The part is not made anymore!!!! My 2 different techs tried everyone under the sun and I spent a day on the internet and telephone and I'm sorry to inform you that part isn't out there -- even through the company (I forget the name now) that carries out-of-stock parts has everything under the sun, they didn't have this. I am furious with Jenn-Air -- I purchased this oven/micro for almost $3,000 in 2003 and the turntable stopped in 2008. Five years and they don't make the part and have none in stock. Maytag is a cheap poorly-run company. Whirlpool bought them out in 2007 and I have checked -- they don't have the part either. Time to look at those dopey nordicware self-winding turntables. Sorry -- only solution is to land a used model. Now you know.

Posted on Jul 20, 2009

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  • Microwave Ovens Master
  • 9,098 Answers

The coupler may be cracked or the motor may be weak.

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and

disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

Posted on Oct 22, 2007

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It's probably a cracked coupler or a weak, slipping motor.

 

You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383

 

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

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