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I have a turn table in my microwave that is arcing & i ordered some paint a long time ago & painted the bottom of the turn table to stop it from doing that & it worked but it has worn through again & i need to get more can you give me the name of that paint ?

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

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

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

Posted on Dec 07, 2008

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Arcing and bang noise


The arching is probably to the cabinet where paint is missing. This usually occurs at the edge where the microwaves travel into the cabinet. You can get microwave paint from your local appliance parts supplier. It's special paint that is non - conductive.

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Emerson microwave oven model mw9339sb has an arcing magnetron


The magnetron is supposed to make an arc to work but when it is getting out of hand it will sound wrong. At that point it is time to change the large capacitor and the magnetron. If there is an arcing inside the cabinet then you have to look for missing powder paint. Don't use any metal racks in a microwave or they will arc.

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Waveguide Cover

If the microwave is sparking or arcing the waveguide cover might be damaged and shorting out. Try removing the waveguide cover and see if the problem goes away. If there are any damaged spots in the microwave ceiling or sidewalls, repair them and paint them with microwave oven paint. Replace the waveguide cover if it is burnt or if it will not stay in place.


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Microwave Oven Paint

If the microwave is sparking or arcing on the side walls the paint might have chipped causing pitting in the metal oven wall. Use microwave safe paint to touch up any bare metal spots.





Rack Support

If the microwave is sparking or arcing near one of the rack supports, remove the support, repaint any bare metal, install a new support.

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1 Answer

Microwave when turn on making a noise and sparks comin from fan area?


follow this steps and fix it. God bless you

Waveguide Cover




If the microwave is sparking or arcing the waveguide cover might be damaged and shorting out. Try removing the waveguide cover and see if the problem goes away. If there are any damaged spots in the microwave ceiling or sidewalls, repair them and paint them with microwave oven paint. Replace the waveguide cover if it is burnt or if it will not stay in place.

Microwave Oven Paint




If the microwave is sparking or arcing on the side walls the paint might have chipped causing pitting in the metal oven wall. Use microwave safe paint to touch up any bare metal spots.

Rack Support




If the microwave is sparking or arcing near one of the rack supports, remove the support, repaint any bare metal, install a new support.

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1 Answer

My LG/Dometic MICROWAVE sparks inside the cooking area when turned on


see the next steps and follow with common sense: God bless you
Microwave is arcing If you see arcing or sparking inside a microwave, turn unit off immediately. Arcing can be caused by having something metal in the oven cavity touching a side, an oven shelf is touching the side of the cavity, an oven shelf support has broken, microwave waveguide, or bad magnetron.
If your microwave has a shelf in it, and you do not use it, keep it out. If one of the shelf supports breaks or comes out, the microwave will arc where the support was. You will have to sand the spot down, paint with appliance paint and re-install support. If the shelf shifts on the support and touches the side it will arc.
Your magnetron waveguide will either come out of the top, or side of the oven cavity. Some will have a stirrer in it(mostly top waveguides) with a panel over, or just a cardboard type cover over it. Over time, the stirrer cover can become warped from the heat which will expose the stirrer's metal shaft which will then cause sparking. These covers and stirrers come in a kit and can be replaced from inside the oven cavity.
Your cover over a side waveguide is coated with a substance on it, and overtime this coating can come off from the heat and moisture in the microwave. These waveguide covers are very easy to replace from inside the oven cavity. Touch up any paint that may have chipped or come off because of the arcing.
If your waveguide cover and/or stirrer are all OK, then the spark is coming from your magnetron. The antenna on your magnetrom has overheated and burned, sending the microwaves out at the wrong angle. If you catch this microwave oven repair early enough, you can usually get by with just replacing the magnetron. If the arcing has caused servere damage inside the waveguide, you will need a new microwave. Waveguides are not replaceable and most you can barely see into them, let alone sand and re-paint. In this case of microwave oven repair, when you remove the magnetron, you will see the burned antenna, or your magnetron will fail the test bel
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Jul 26, 2012 | Microwave Ovens

1 Answer

Paint damaged in side microwave oven


1) How is the cavity damaged? Is it just peeling paint, or is it rust? If it's rust then the microwave could be dangerous.

2) The antenna cap usually has a small hole in the centre, but if there are any other holes in it the magnetron itself could be damaged, and holes caused by the magnetrin arcing.

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Look in cavity for any burn marks. If burn marks are present sand and paint area. You have to use paint made for microwaves. If no burn marks, Flash coming from magnetron and it would be time to replace. Yes it can be a safety concern, I would not use until fixed.

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The door on my Whirlpool 1200 watt microwave has some paint missing on the inside of the door. It's just below the door window. I think my wife had a small fire a year or so ago and she is concerned about...


If the 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.

Otherwise, you may get rust and/or arcing.

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

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GE Microwave JES1136 The paint is peeling off the left side of the turn table floor where the floor and wall meets. Will this cause a problem? The microwave was purchased in October of 2006.


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

Otherwise, arcing and deterioration can occur.

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

We're happy to help and we appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Apr 29, 2008 | Microwave Ovens

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