There is a pad on the interior right side that is made out of cardboard type of material. Seems very flimsy. Does this stay in there? What is its purpose?

i understand the delima but i gotta say .. microwave ovens are cheap, burned houses and radiation poison are expensive..

Not sure why a microwave would have a piece of cardboard in it. Maybe packing material?

is a wave cover,can be replace

I have not seen a microwave wall made up of such material but similar was commonly used as a roof to the earlier microwaves that employed a stirrer to deflect the microwave radiation in order to reduce hotspots in the food. Turntables were found to be effective enough so the stirrer has been largely consigned to history. Many microwaves so equipped often had the cardboard discarded without apparent ill effect.

The exit of the waveguide is often covered by a similar material but these are mostly only a few inches square...

These examples used a material transparent to microwaves and wasn't reflective in any way. That yours is reflective indicates it could be intended to bounce the microwave energy around in an attempt to reduce food hotspots. It should be available as a spare part if the oven isn't obsolete.

IF THIS COVER IS DIRTY IT WILL SPARK. IF CLEANING IT DOES NOT HELP IT MAYBE CRACKED OR THE STIRRER BLADE MAY BE OFF

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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.

i would not operate the microwave any longer ....bring in for service ....microwaves can send out very dagerous radiation....

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!

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.

Interior light bulb is located behind the grill, above door. It requires removing 3 or 4 screws to remove grill. I have same problem. I pulled out bulb, it looks like it was glued in some type of foam material. There are two pin connectors at the mounting. but I can't see how they fit into bulb.