Question about Oster 0.7 Cu. Ft. Compact Microwave

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Torn wave guide

In setting up i tore the wave guide by mistake

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If your waveguide cover is burned, it will need to be replaced.

It provides critical protection for the magnetron.

You didn't mention your brand or model number, but since you posted under Oster, I'll assume that's it.

You can contact Oster via the information in your owner's manual or get their contact information from the dealer where you purchased the oven.

Posted on Nov 28, 2012

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Posted on Jan 02, 2017

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2 Answers

There was a little explosion of sparks in my Hamilton Beach microwave, leaving a black residue on the waveguide cover and a chemical smell inside the oven. Oven still works. Is it safe to use?


not until you have it checked out in a repair shop.
using a microwave oven where it is possible that the microwave generated by the magnatron can escape to outside, means that any person in the vicinity of the unit can suffer radiation burns and /or get cancer if allowed to be exposed a simple check is all that is necessary

Mar 07, 2017 | Hamilton Beach Microwave Ovens

1 Answer

Our De Dietrich DME715X microwave oven is sparking from the ceiling - have tried a new wave guide cover but that did not work.


Some ovens have a tuning stub in the wave guide. If it has become loose or rusted, it could cause the problem. If that's the cause, you would have to transfer all of the oven's components to a new cavity. This is usually not done due to the cost, although I did do this once on an oven that was still under warranty.

Make sure the wave guide is clean inside.

Also check for rust near the wave guide cover. Re painting damaged areas might help.

Sparks fly, too, if the ovens contents do not contain enough water to absorb enough of the microwave energy. Leftover energy converts itself into electrical current in any conductive material (such as cavity panels).

Nov 25, 2016 | De Dietrich Microwave Ovens

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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

WHY DID MY MICROWAVE OVEN BURST INTO A FLAME AFTER 30 SECONDS ON HIGH POWER? TWICE. LMV1314B bought Jan. 2008


Hi,
Actually you don't need to replace the microwave, you just need to replace the carboard piece or "wave guide" and replace the magnetron inside the microwave behind the cardboard piece. The magnetron will commonly arc out to the wave guide if the wave guide gets something that splatters on it. The repair isn't cheap because the magnetron costs about $200 and the wave guide is another $30 or so, but if you replace both these parts you should be good to go again.
The magnetron usually have 5 years warranty, however you need to speak with manufacturer itself for the same.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!

Sep 23, 2011 | LG LMV1314 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

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

Whilst cooking strong smell of plasic & cabinet became too hot to


May be a shorted metal stirrer fan bearing located within the wave guide that feeds microwaves into the cooking area. If the oven is run without a proper load (water, or food), the voltage of the microwaves increase considerably causing things to arc-over inside the wave guide. You usually can't see the stirrer bearing short as it occurs internally.

Jul 23, 2009 | Panasonic NN-H765 Microwave Oven

1 Answer

Cuisinart Microwave oven, 1000 watts


hello. sorry to hear of your problem.

here is the direct link to customer service at cuisinart. If anyone can help u, they can

http://www.cuisinart.com/support.html

let me know how u make out.

May 28, 2009 | Microwave Ovens

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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