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Customer Questions and Answers for Door Interlock Switch Kit (2-Pack) by Whirlpool

  1. Our Price $41.40
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    • Part Number: AP3109474
    • MFG Part Number: 4392027
    • Made by: Whirlpool
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For Whirlpool Door Interlock Switch Kit (2-Pack) (Part Number: AP3109474)

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My microwave stays on with the humming noise and heats every time I close the door and will not stop heating. The only way to get it to stop is to leave the microwave door open. What part(s) do I need to purchase to repair this issue. Thanks, AJ.

Aj for Model Number whirlpool/ GH7155XHS1

ANSWER Hello AJ. It sounds like the door switches 4392027 are bad and will need to be replaced in the unit. Test the switches to see which one is bad. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. Hope this helps. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Wednesday, February 29, 2012

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