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Cardboard plate burnnt hole in it - Emerson MW8991SB Microwave Oven

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Why is there a burn hole inside the oven, on the cardboard?


That's actually a mica "window" (cover) for the microwaves to come out. And it sounds like the magnetron started arcing and burned a hole in that cover. Either that, or some food (frequently spaghetti sause) got splattered on it, and the microwaves heated it up so much that it burned a hole in the cover. Does the microwave oven still work (heat)? Do you see or hear any arcing? If the microwave oven still works and there is no arcing, you can just replace that cover. Check SearsPartsDirect.com or RepairClinic.com.

Jul 10, 2014 | Kenmore Microwave Ovens

1 Answer

Inside top of microwave has a burn hole in cardboard. Oven sparks when in use.


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

May 02, 2011 | Goldstar MV-1310W/B Microwave Oven

1 Answer

How do I lay lino round the base of the toilet?


Mark out and cut the base of the bowl size, using a old Cornflakes packet is useful, cut the hole and behind the bowl part of the cardboard test piece cut to the edge in a straight line. The cardboard will now open (a bit like a keyring) and alow the cardboard cut out hole to be placed around the base of the toilet bowl. Trim it to fit perfectly.
When you have the exact size in you cardboard cornflakes packet, transfer the cut out on to your lino, cutting in a straight line at the rear of the lino where is will not be seen, to allow fitting over the bowl. Trim your lino edges and there you have it, lots of scrap cardboard but a professionally fitted lino floor covering.
I hope that helps.

Feb 03, 2011 | Microwave Ovens

1 Answer

Microwave cardboard got a hole is it safe to operate


your not suppose to stick card board in microwave if microwave has a hole in then no no it not safe.

Jan 30, 2011 | Microwave Ovens

1 Answer

Microwave cardboard inside has got a hole is it safe to still use


No it will kill the magnetron with contamination from the food/drink vapour.

Jan 30, 2011 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

Microwave turns on for 5 seconds, then shuts off. Notice their is a paper cardboard (???) that is screwed into the right side that has a small hole into. Perhaps there is a built in saftery device if this...


To allow us to help you effectively (at no charge), please post a NEW problem to FixYa, and please include your brand name and the full model number from the tag in or on the unit, as well your symptoms "Microwave turns on for 5 seconds, then shuts off".

Please also not whether the display stays on or shuts off.


The object you're describing is the waveguide cover. It needs to stay clean and secure. If it's damaged, it will need to be replaced.

It provides critical protection for the magnetron.

Nov 27, 2009 | Panasonic NN-T990SA Microwave Oven

1 Answer

IS MY MICROWAVE NOW UNSAFE TO USE - CAN I DO OWN HOME REPAIR?


It sounds like what you are describing is called a "waveguide cover". You can purchase a replacement from a local parts supplier, or on-line at www.repairclinic.com. It is very easy to replace.

Jun 30, 2009 | Microwave Ovens

1 Answer

My Sanyo 1000W microwave is shooting sparks!!!


you need to replace the cavity cover "the cardboard like",the antenna bearing set "the gun barrel like" and the gear motor.If the "gun barrel like" is stuck up because the gear motor is not rotating excessive heat will occur inside the microwave thus burning the cavity cover.

Mar 20, 2009 | Sanyo EM-A5200SW Microwave Oven

5 Answers

Metallic-like cardboard insert inside microwave is crumbling???


That piece is called the waveguide cover. Emerson calls it a spatter shield. Behind it is the hole where the microwaves enter the oven. Its job is to prevent food spatters from getting into the microwave source, and it's not a good idea to run the oven without it.

The cover is usually held in place by a plastic rivet that pulls out. I couldn't find the part number for the cover used in your model. But here is a link to a parts place that has several covers available:

http://www.a-1catalog.com/wavandstirco.html

If one of the covers shown looks like yours you can order it. Another possibility is to contact Emerson at 800-695-0098. This is the number they give to locate authorized servicers near you, and you might be able to order a replacement cover through them.

Hope this has helped. If so, please take a moment to rate the solution. Thanks for asking here!

Mar 03, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

1 Answer

Set up Oster Microwave


No, that is the "waveguide cover".

It provides very important protection for the magnetron.


And always keep it clean according to your manual's instructions.

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

Jan 18, 2009 | Oster 0.7 Cu. Ft. Compact Microwave

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