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fixman  
#1 Posted : Friday, December 12, 2008 12:50:42 PM(UTC)
fixman

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Joined: 12/12/2008(UTC)
Posts: 1

Hello

When I start my whirlpool microwave there is a chatter noise from the top of the unit and the breaker trips within 3 seconds. The noise sounds like there is something in the fan. It is an over the range model and I don't want to pull it down until I have some idea as to the type of repair needed. I sure could use some help, any would be appreciated.

Thanks
Bill
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Gene  
#2 Posted : Friday, December 12, 2008 7:29:04 PM(UTC)
Gene

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Hi Bill,

The first failure suspect is a shorted hi-voltage capacitor which you have to discharge before proceeding with any tests.

Read this article before you do anything else.

- The part number for the capacitor is AP4295779

Here are the break down diagrams for the Whirlpool microwave Model MH1170XSS0

Gene.
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