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Installing microwave wave guide cover - Microwave Ovens

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  • drlisaannlee Dec 18, 2008

    I have the exact same problem with a Sharp Carousel R-4A57 microwave oven. One day when I turned it on, sparks flew out of the cover guide and burned a 1 inch hole in it. I found the part, but don't know how to stick it back on. When I pulled it off, it seemed like it was stuck on with some light, brittle adhesive. There were no screws holding it in.

  • ashleyone Jan 14, 2009

    Yes, same problem with a hole burned in the waveguide cover on my Sharp. What's suggested for affixing a new one, when there are no screws or screwholes?

  • Dee1063 Jan 22, 2009

    Same problem, burned a hole and the whole sparks went flying, where do you find a replacement cover? We have a Stainless Emerson 9 cu ft The cover became loose and fell off then the problem occurred. The cover is a treated paper of some sort??? This is not a safe thing to put in these microwaves--noticed Sharp has them too. Only Kenmore does not.

  • transiva May 18, 2009

    Waveglide cover on Frigidaire FMV156DSB burnt. Has a spot and is aprking. I need to replce it. How do I do that. Does is it just come off as I dont see any screws. Also where is the wavegoide cover available.

    The cover just seems to be stuck inside two groves.

    I cant snap it out . Do I bend it to take it and insert a new one the same way



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Posted on Apr 19, 2008

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2 Answers

My GE microwave is starting to arc, You can see the arcs on the plate (I believe it is the wave guide cover) on the right side interior. Burn marks are evident on teh plate. Is it the waveguide cover or...


Some units use a plastic or fiberglass cover over the wave guide where the microwaves are dumped into the oven cavity. If this cover gets coated with food/grease, or soaks up grease, it can arc, or catch fire. If unit is still operating properly otherwise, I would suggest replacing the cover. You need to inspect the wave guide, also, to make sure it is still intact, and there are no cracks in it that would allow microwave radiation to escape.

Apr 17, 2014 | Maytag MMC5000 Microwave Oven

1 Answer

How do you install the wave guide cover ? vdesai8850@gmail.com


Wave guide covers normally fix with one screw or plastic clip. They fit inside the cavity sometimes clip in and stop food particles contaminating the magnetron or aerial.

Dec 31, 2010 | Oster OGG61403 Microwave Oven

1 Answer

Sharp r-930ak microwave oven is sparking


A dirty or damaged wave guide cover can cause sparks, fire and noises. You can order a replacement wave guide cover from many appliance parts websites for less than $15 in many cases. It should fix the problem.

May 03, 2010 | Sharp R-930AK Convection/Microwave Oven

1 Answer

I have a GE Microwave Oven/Dual Element Browner Model # JES1288SHO3. The inside cabinet is arching through the wave guide panel. DAVE IN LA.


Hi Dave in LA,

The wave gude cover is replaceable, the part number is1085082. The reason for arcing through is typically a splatter of food stuck to the cover and then the heating waves overcooked or burned it. Carefully replace the cover (panel), look for any burned spots behind the cover, if the wave guide is burned through, the Microwave is unrepairable. If the waveguide has small arc spots you can carefully clean (sandpaper) and use touchup paint to recoat. I hope this helps and if it does, please let us know!

Apr 18, 2010 | Microwave Ovens

2 Answers

Sparks and strange noise when microwave is turned on even when empty inside. i have a ge jvm1850smss over the oven microwave.


YOU SHOULD NOT RUN MICRO WITHOUT ANY THING IN IT / THIS WILL OVER LOAD THE MAG TUBE . AND SOME TIMES FRY IT .. The sparking and arcing is probably a bad wave guide . this is sometimes caused by food splater / it gets in the cracks and corners and then cooks till it truns to carbon which conduts the micro's and thus arching .. clean it good and touch up any burns in the metal and repl wave guide cover. mm hope this will help .. mm

Dec 20, 2009 | GE Spacemaker Over-the-Range Microwave

1 Answer

Arcing and noise when turn it on


I cleaned the microwave really well. I used a screwdriver to pull the plastic cover out enough to clean behind the edges with a soft toothbrush. Seems to have corrected the problem.

Oct 15, 2009 | Whirlpool MT4155SP Microwave Oven

3 Answers

Arcing inside and there is now a small hole on the panel side. Is this fixable?


Hi,

It looks like there's lightning (arcing) inside my microwave When you see arcing inside your microwave, it's because of food or liquid left in the cavity or on the wave-guide cover:

  • If the wave guide has any burn spots, replace it and clean the unit well.

  • If the cavity has any burn spots, spot-sand it smooth and touch it up with microwave interior paint.

Note… If there are any burn holes in the cavity, don't use the unit-seek help from a qualified appliance repair technician.

Thanks for contacting Fixya

Jun 20, 2009 | Microwave Ovens

1 Answer

My high power GE Advantium microwave is sparking


Your problem is a common one. When you see arcing inside your microwave, it's because of food or liquid left in the cavity or on the wave-guide cover:

  • If the wave guide has any burn spots, replace it and clean the unit well.

  • If the cavity has any burn spots, spot-sand it smooth and touch it up with microwave interior paint.
Note… If there are any burn holes in the cavity, don't use the unit-seek help from a qualified appliance repair technician.

May 28, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Clicking When Unit Starts


Q - When there is small amounts of food in the oven, arcing occurs right behind the plate where the wave guide comes into the oven. Sometimes it works well and sometimes you can't even put in a bag of popcorn. Any ideas? Could food have 'dripped' in here and be causing a microwave short?
 
A - Yes! Food splatter or drips can continue to cook and will carbon over creating sparks/arcs from the wave guide cover. Usually can clean up the food on and under the wave guide cover, if the oven liner has been damaged we usually lightly sand and touch up those marks with touch paint. Do not let it go for too long as damage to the magnetron end is possible as well :(   If the wave guide cover has been damaged, replace it!

Apr 01, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

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