Question about Whirlpool MH3184XP Microwave Oven

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Whirlpool MH3184XP-B 2 Black- Will not start, no power, no display

The microwave is about a year and a half old, and just stopped working out of nowhere. We werent using it, but just noticed the time was missing. Its not the outlet, check the breakers, and pluged a light into the outlet and all was well. SO i pluged the microwave into 3 different outlets, and NOTHING. I replaced the fuse in the upper right coner of the microwave under the panel (not the control panel), and still nothing. Please help, and sugestions would be great or things to look for, pics would be awsome if there is a link. thanks.

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  • Anonymous Dec 05, 2007

    We also bought a wirlpool microwave about 11/2 years ago and our microwave did the same thing. It went on the blink. We checked the breakers, put a new fuse in the right hand corner of the microve, and still nothing. We also did not recieve any wiring diagram when we bought it.

  • JDL238 Feb 02, 2008

    Checked breaker, power is good. Checked fuse inside unit in upper right corner, it's good. Neutral inside unit is fed through a high limit switch, it's good. Checked and had 120 volts between the bottom of the fuse (hot) and the secondary side of the high limit (neutral) and had 120 volts. I do not have a wiring diagram so I cannot troubleshoot further. Any suggestion?

  • rbindra Apr 03, 2008

    I have the same exact problem. Does anyone had any luck in fixing this or knowing what the problem is with these microwaves?? Please HELP!!!

  • keoni1 Jul 08, 2008


  • CHUCKDAVIS Aug 18, 2008


  • Anonymous Jan 14, 2009

    I have the MH-3184XPB-0. No power even after checking another outlet sources, changed the 250v fuse above the control panel and is still completely dead. Should I buy another microwave or is there still a fix out there?

  • dodobird361 Jan 14, 2009

    I have the MH3184XPB-0. Changed the fuse over the control panel and still completely dead. No switch tripped at circuit breaker and another outlet was verified as ok. Should I just buy another microwave or is there still a fix out there?



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Downstream of the main 20 amp breaker in the upper right hand corner, is a miniture 4 amp fuse in an inline fuseholder. I replaced this and so far, so good

Posted on Jul 15, 2008

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I have the same problem. A repairman came to look at it and said it was the dc filter. He would not fix it, however, and sugested I replace the unit. I will not buy any whirlpool product after reading how many people also have the same type of problem. Hope this helps.

Posted on Mar 15, 2010

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Please check control circuit and wiring .check the interlock switches..etc..

Posted on Sep 28, 2007

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If it still fails, it may be one of three fuses or three oven cavity thermostats in the unit.

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You can find helpful exploded view diagrams and order parts by entering your full model number from
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If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download Whirlpool owner's manuals and installation instructions here.

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

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