Question about Whirlpool MH7135XE Microwave Oven

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Sparks when cooking

Sparks & snaps sometimes during cooking(blue spark)

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  • Whirlpool Master
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Make sure there is no metallic trim on the plate or dish you are using.
Older porcelain/stoneware items may have metallics used in the decorative designs and these will not only cause arcing but will be burned away in any microwave oven.

Posted on May 12, 2015

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  • Whirlpool Master
  • 473 Answers

Make sure no metal item (forks-spoons or oven rack) is touching the outer wall of the microwave. That will cause sparks. If all that is OK then there is usually a metal fan type blade in the microwave top called a stirrer blade that may be out of place and rubbing the cavity causing sparks. Try to pin point the spark area so you know where to look for the problem. Sparks usually mean metal is touching metal somewhere.

Posted on Mar 30, 2015

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Posted on Jan 02, 2017

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Sanyo em-c 1800 sparking inside at top


That's not good at all....

check to make sure there isn't any food at the top of the microwave, also, if your microwave allows maybe try turning down the wattage when you cook such as cook on medium or Low wattage.

Also, you may need to just get a new microwave.

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Microwave is arcing and making a popping noise as if something metal was in there while cooking.


I will assume that you do not have any metal items or bits of tinfoil lying around inside the oven.

If the sparks are happening on the inside of the microwave's cooking area while you are cooking, then make sure you clean the inner surfaces really well. Be sure to remove any cooked on food particles that may have splashed up during cooking.

Most likely you have some corrosion or dried food debris inside the cooking area, or perhaps even some food particles stuck to your WAVEGUIDE COVER PLATE. A dirty waveguide cover plate can certainly cause the arcing and sparking you describe.

If the thorough cleaning does not work, you may need to replace the waveguide cover. Here is a link to a short video that shows you exactly how to replace the wave guide cover yourself:

http://www.youtube.com/watch?v=M0xsXjhefy4

Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the video at the website indicated.

If the sparks are coming from somewhere other that the cooking area, then your unit may need more significant electrical repairs or service.

Here is a link to another expert's excellent Microwave Troubleshooting Guide:

http://www.fixya.com/support/r5508031-microwave_oven_basic_troubleshooting

If you choose to rate Heatman 101's tip using the Thumbs Up scale provided, I thank you very much for your time and consideration.
I hope that was helpful to you, good luck and take care.

Joe.

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Our kitchenaid microwave, sparks when we turn it on.


If the sparks are happening on the inside of the microwave's cooking area while you are cooking, then make sure you clean the inner surfaces really well. Be sure to remove any cooked on food particles that may have splashed up during cooking.

If the cleaning does not work, you may need to replace the waveguide cover. Click on the following Youtube video link for an instructional video on the process:

http://www.youtube.com/watch?v=M0xsXjhefy4

If the sparks are coming from somewhere other that the cooking area, then your unit may need more significant electrical repairs or service.

Thank you very much and good luck.

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The top plate inside the microwave sparks while cooking. We checked the dish we were cooking with, the papertowel that covered the dish. What could be causing this?


The wave guide could be dirty or damaged. Dirty oven interior can also cause sparking. The wave guide is probably not dirty if it's not on the interior of the oven . Some are behind the interior wall .

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Frigidaire microwave making noise and blue sparks


Quite often this is due to grease or food particles stuck somewhere in the cavity of the oven or stuck on or behind the waveguide cover.

They are often held in place by a plastic rivet.

It can be fragile, and the metal edges of the oven behind it can be sharp, so be careful!

The cover and the metal behind it should be cleaned with a mild, non-ammonia cleaner.

If the cavity metal of the oven is chipped or charred, it will have to be sanded smooth and clean and dried thoroughly.

Then you can apply some high-temperature appliance paint, available from places like Wal-Mart, Lowe's or Builder's Square.

If your waveguide cover is burned, it will need to be replaced. It provides important protection for the magnetron.

You can 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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Sparks


usually sparks come from turning and cooking with nothing inside the microwave..if there is grease or something on the bottom the heat will generate a spark

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1 Answer

Sparks in oven


the burning is normally caused by a small particle of food getting stuck on the waveguide cover, this then carbonises and starts to arc. replacing cover should return oven to normal

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