Question about Microwave Ovens

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A piece of tin foil got to close to the interior wall of the microwave; there was a small arc that caused a small scoring. Can or should this scoring be painted over? The microwave has since been used and there doesn't seem to be any adverse affects of the scratch.

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Sorry to read about your problem, I hope this helps you out.

You can paint, but you have to purchase special microwave paint.

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Posted on Dec 30, 2010


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Heat: I placed a microwavable food product in my sharp carousel r-1505. there was a tiny piece of the foil still attached to the rim of the product container. upon start, the foil immediately caught...

Maybe. The presence of metallic material (foil, stainless steel silverware, etc.) in an operating microwave oven creates electric arcs between the foil and the inside wall of the oven. And this can destroy the electric components.

Sep 22, 2013 | Sharp R-1505 Microwave Oven

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If you put foil or silver of any kind in a microwave it causes an energy arc that may have hit a contact at a certain point inside the microwave causing damage that even if you weren't using the microwave as long as it was still plugged in still had a small amount of current going through it and had finally burst. which is why they manual advices consumers not to use reflective surfaces in microwaves. :)

Jan 28, 2012 | Sharp Microwave Ovens

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I have a Panasonic microwave and it has rust inside is that dangerous?

It should not pose a hazard as far as operation goes.. only if it becomes a sanitary issue..

Clean the interior per mfg suggestions.. and you may have to clean it more often now that you have this issue.

Microwaves cannot travel through metal.. you can actually use small pieces of foil (flat pieces) in most microwaves to shield items.. without any issues.

Best of luck

Apr 17, 2011 | KitchenAid KCMS145J Microwave Oven

1 Answer

Does using tin foil in microwave ruin unit or can it be used again safely?

its a bad idear,,,i never put any tin foil in mine, it scaters the microwaves around and sme times causes sparks as well,

Nov 28, 2010 | Microwave Ovens

1 Answer

When running it is acring like when you put foil in it.

When the interior is dirty or the paper like wave guide is dirty it will arc.

Mar 22, 2010 | Microwave Ovens

1 Answer

Will tin foil in the microwave ruin it completely? The microwave turned off after my son mircowaved a potato wrapped in tin foil.

You should always put a spoon in a cup of liquid that you heat in a microwave oven.
The microwave with a potato wrapped in tin foil is like operating the oven with nothing in it! If the microwave was spotlessly clean then your in trouble.
1 put a cup of cold water in the microwave and set for 5 minutes. if the water boils then your lucky if it cold then go and buy a new microwave and stop your childs allowance for a fortnight.
One might ask the question how old is your child and should they be using such a machine unsupervised!

Nov 05, 2009 | Microwave Ovens

2 Answers

I accidentally covered a plate with foil in the microwave. there was Arcing (no fire) and now there is black marks etched where the foil touched the sides. The cavity seems unharmed though, it seems if I...

Sometimes the arcing itself will cause black marks inside the oven. The places where the foil was melted, (touching), likely left small metal deposits, possibly now, impregnated in the surface. It is important to remove these if possible to avoid further arcing. Remove these then test to make sure the oven is functioning properly. If so, continue to use.

Jun 22, 2009 | LG LRM1260SW Microwave Oven

1 Answer

GE Profile

Some burns are not cleanable. Use of soap and water is the safest way to attempt cleaning it. If it burned the paint, then it will need to be touched up with G.E. oven cavity paint ONLY, which your local dealer or servicer should be able to get for you.
Do not attempt to clean it with any flammable or toxic solvents.

May 22, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Interior Scratch

scratches can cause arcing but they are easy to deal with.
touch up paint is available from any appliance parts supplier check your phone book or order online

Jan 13, 2008 | Frigidaire GLMV168K Microwave Oven

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