Question about Whirlpool MH6150XMS Microwave Oven

2 Answers

Microwave does not heat food placed in the center of the turntable. Leaves a cold spot in the middle of the food.

Food placed in microwave will only cook/heat around the edges. The center of the plate will be left cool or cold. Example: Anything (say bacon)you put into the microwave to cook must not be placed within about a 3 inch diameter circle in the center of the rotating plate. All other area of the food will cook but it seems that the microwaves are not being spread over the center of the food being cooked. Thank you.

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  • papaslack2 Oct 15, 2008

    whirlpool microwave will not heat

  • Anonymous Mar 17, 2014

    microwave just cut off in the middle of heating up food. No power. Is there something i can do?

  • Anonymous Mar 25, 2014

    we just got this microwave and no manual

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2 Answers

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  • Whirlpool Master
  • 9,098 Answers

This is normal. That's why I always recommend to my customers that the food be placed slightly off-center on the turntable. An analogy I refer to is stirring paint: If you stir paint with a stick by simply rotating the stick in the center of the can, it's far less effective than pulling the stick around an imaginary circle halfway bewteen the center and the edge.

Posted on Sep 15, 2006

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  • Expert
  • 513 Answers

The magnetron generating the microwaves emits WAVES into the chamber (oven)that bounce around and at the points (nexus) where waves 'collide' the energy is greater, creating the 'hot spots'. The turntable in a domestic oven minimizes this effect, but the food is simply rotated through the hot spots. It could be that all your hot spots are concentrated in the periphery of the turntable, and that's the part that gets the heat. The most common cold spot for a microwave is the center somehow. Another thing I noticed is that concave dishes don't help the food in the center get any heat. try using more flat dishes, and don't put anything thick in the center, since microwaves don't heat from the inside out like generally believed, but only from the outside where the waves hit, and the inside is heated through heat transference, same as in conventional heating. Still, if you feel it's exagerated, you could have it serviced. Good luck

Posted on Jun 12, 2006

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4 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

biigg53566
  • 89 Answers

SOURCE: everything works except the cooking part/no heating/turntable not turning, help!

you may have gotten a power surge and that can cause some funny things to happen, 1st is there power to the oven, 2nd if so there may be an internal fuse protector built in to the oven, check with the manual for anything of that sort listed. if not you may have to take it in and have it repaired by a pro. there is a lot of voltage in these ovens and unless you know what you are doing a person could get hurt

Posted on Jan 03, 2009

MicrowaveSvc
  • 9098 Answers

SOURCE: microwave seems to be working

Chances are you have a shorted high voltage rectifier diode or a bad magnetron, but it may be a bad high voltage transformer.

There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which isvery helpful when troubleshooting & testing.

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

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

If you'd rather have a pro take a look, I would recommend that you contact Whirlpool customer service to find your nearest Whirlpool-authorized service center.

Whirlpool customer service is here and you can also enter your model number on that page to download your owner's manual, installation instructions, etc..

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

Posted on Oct 27, 2008

MicrowaveSvc
  • 9098 Answers

SOURCE: GH7145XFB-1 not heating properly

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Posted on Nov 17, 2007

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The paper plate elevates the popcorn for better exposure to the energy and protects the turntable from excessive heat.

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Microwave Oven Control Panel Repair Nationwide
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Foods that are low in density or low in moisture (such as bacon and popcorn, respectively) can cause the magnetron to overheat.

That's because there is not enough of either mass or moisture to absorb enough of the microwave energy put out by the oven.

The excess energy then reflects back to the magnetron and causes a standing wave (like a poorly tuned transmitter antenna) and causes the magnetron to overload and overheat.

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(Placing it in the center is sort of like stirring paint by twirling a stick in the center instead of pulling it around in a circle in the paint can).

Such inefficient heating wastes the energy at best, and at worst it puts a strain on the magnetron.

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I always suggest that food items be placed off-center in the microwave, NOT in the center of the turntable, otherwise the food is not exposed evenly enough to the microwave energy and will not heat as efficiently as it could.

(Placing it in the center is sort of like stirring paint by twirling a stick in the center instead of pulling it around in a circle in the paint can).

Such inefficient heating wastes the energy at best, and at worst it puts a strain on the magnetron.

And it can put heat stress on the center of the turntable tray, which can cause it to crack.


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

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