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GE SPACEMAKER MICROWAVE OVEN

Oven makes thumping sound when in operation

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  • Anonymous Dec 14, 2007

    When the unit is turned on there is a repetitive tapping sound like a fan blade hitting something. It is monotone but loud enought to be annoying. Any suggestions?

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  • Microwave Ovens Master
  • 8,934 Answers

Is it a rhythmic thumping, or intermittent, or one thump when it first starts?

If it's rhythmic, it may be a failing turntable motor or stirrer.

If it's a thump just when you hit Start or when the magnetron turns on at the beginning of the cook cycle, it may just be a common noise that they sometimes make due to the magnetic field produced by the high voltage transformer.

Please write back with more details if you need further help.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Dec 07, 2007

  • Susan Hofflander
    Susan Hofflander Feb 05, 2016

    My microwave doesn't have a turn table, but it does make a thumping noise starting this last week or so. It's quite old (maybe 20-25 years). Sounds like the motor is thumping and stuff in the microwave seems to be cooking differently, too.

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