Question about Microwave Ovens

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The top of the oven (inside) has blistered and the rollers are marking the base. Also the oven is making a noise as the plate rotates.

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If the oven is working with good heat all you need is to have the machine serviced. the ceramic coating of paint on the inside of the microwave must have corroded and so the blisters can happen. Due to this the smooth surface within is lost and so the roller make a higher noise.
Take the micro wave and clean and scrap off all blisters before a good coat of ceramic/nonmetalic paint is used.

Posted on May 18, 2011

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Posted on Jan 02, 2017

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We have model FR185B-CON in our camper, when try to use the oven it makes a loud banging noise. Micowave works fine.


Check the air flow it's probably dirty clogged, don't use it till you find the problem, cuz it could over heat and catch it self on fire. Check the rotating plate inside, skipped gears maybe. Good luck

Jul 06, 2015 | In Microwave Ovens

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Microwave makes grinding noise when microwave plate on turntable


check for the roller spider under the plate
small plastic item that has 3 (4) rollers that allows the plate to turn freely

May 25, 2015 | Microwave Ovens

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My microwave makes a rattle noise when turned on


check to make sure the plate is inline with the roller setting so it rolls around inside correctly when in use, other wise that will rattle.

Sep 27, 2012 | GE Spacemaker Over-the-Range Microwave

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Unit makes a lot of noise when cooking.


The exhaust fan may be loose, {check mounts} also, the turnable motor that rotates the plate often gets noisey before seizing, {remove plate to see if noise goes away} and finally the magnetron gets very loud near end of life.

May 16, 2012 | Magic Chef MCD1311ST Microwave Oven

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Electrical arching between top metal plate and shell?


i would imagine its a shield but iam not completely sure without a good look

Nov 20, 2011 | GE XL1800 1100 Watts Microwave Oven

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I have a Goodmans Microwave ME20W in perfect order except someone has misused it and the paint under the rotating plate is blistered causing the oven to crackle in use. There is also one small area of...


Yes they can be cleaned. prepared and painted with enamel paint.
The reason the paint comes off is usually due to condensation as the oven is left with the door closed after use.

Mar 14, 2011 | Microwave Ovens

1 Answer

I have a JES1142 which I purchased only one month ago. The turning plate rotates both clockwise and counter clockwise. When it rotates counterclockwise it makes a grinding sound. Why does it rotate bot...


It's normal for the motor to turn both ways, that's because of how the motor is made. As for the grinding noise, there's no reason the motor itself would make more noise turning one direction than in the other. The noise might be coming from the roller ring under the glass turntable. One of its wheels might be binding when it tries to turn counterclockwise.

Here's a test. Take the glass tray and roller ring out of the oven. Put a microwave-safe container with a cup or so of water in the oven and start it. Stop the oven and start it again, and the motor should turn the other way. If not, repeat this until you've seen the plastic coupling turn both directions. Note whether you still hear the noise as the motor turns each way. If you do, then there is something wrong with the motor and it should be replaced. If not, the noise is coming from the roller.

In either case, if the oven is truly only a month old it's still under warranty. Since you are concerned about the noise and are worried that the oven is defective, contact the store where you purchased it and see if they will exchange it or take it in for service. If the store can't help you, refer to the owner's manual for the service procedure to follow.

Hope this helps. Thanks for using Fixya!

Feb 13, 2010 | GE Microwave Ovens

1 Answer

Noisy rotating plate


check d rotating motor,

May 29, 2009 | Microwave Ovens

1 Answer

Won't Turn on


The turntable motor on the base of the machine may have failed. Take the plate out, put a small plastic jug of water in the microwave corner (out of the way of any roller), set for 30 seconds, and see if the spiggot/roller ring rotates. It also could be the spindle of the turntable motor has broken off in the spigott/roller ring.

Mar 21, 2009 | Microwave Ovens

1 Answer

Plate does not rotate freely and make noice


The turntable system consists of the motor, the coupler, the turntable support with rollers, and the tray.

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven.

There should also be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

At our Web site, we have a video available 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.

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

Nov 27, 2008 | Sharp R-1480 Microwave Oven

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