Question about Whirlpool MH3185XP Microwave Oven

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INSIDE LIGHT WILL NOT GO OFF

My whirlpool microwave model # MH1170XSB-5 is not working. When I close it, the light will not go off and it says close door when I try to use it. Please help

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  • KC CHI
    KC CHI Apr 19, 2014

    Every other thing works great

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  • 171 Answers

Simple issue here,there is a micro switch that shuts the light off when you close the door ,it may also open a circuit depending on yuor particular switch that lets the microwave think the door is open.Not hard to fix if you are handy,remove the screws to the sheet metal cover ,locate the switch and make sure that the switch is being made when you close the door.Could just be it is loose,could be the pin that hits this switch is missing,broke or out of adjustment.In any event,do this with no power on ,also these devices can still store power so be careful here .If you are not careful you could get seriously hurt so remove plug and or call someone that has some electrical experience this is totally at your own risk.

Posted on Apr 19, 2014

Testimonial: "Thank you so much for the prompt response. Please I live in the Dallas Area. Can you recommend someone that can fix it for me? Thank you."

  • Larry Fostano
    Larry Fostano Apr 19, 2014

    Sorry only person I know in the Dallas area is my brother ,he lives in Rowlett area.

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At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here (just enter your model number).

You can also find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

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

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1 Answer

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We see (and repair) this a lot. The problem is not the keypad, but on the control panel (circuit board), which we regularly repair nationwide by mail for $39.95 postpaid in about a week.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

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