Question about Sharp R-7A85 Microwave Oven

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Put A foil pan in it to warm and now has a burning smell and makes a noise, not heating. assume we blew something Sharp R-7A85

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Never, never, never, never, never put anything metal in a microwave oven! No metal, no pot or pan, no silverware, no plate with metal trim ... nothing! No "Jiffy Pop" (comes in a metal container). Use ONLY microwave safe containers. Some claim there are health concerns (dangers) to using anything plastic in a microwave. The claim is the chemicals in the plastic which were not meant to be consumed are consumed as they are burned out of the plastic into the food. These chemicals are know to some to be cancer causing. I am not making this claim ... only passing on what I have heard about plastics. For myself, I don't use plastic or paper (fire hazard) in the microwave. For one thing, I don't like the taste of food that has been prepared or reheated in a microwave in a plastic container - particularly coffee.

Having said that ... here is what is going on. You probably reflected microwave back into the magnatron and ... well ... cooked it. In my area, such damage is not economically repairable. The tech wants $100.00 to look at it, magnatrons are typically $50 to $100 or more. There could also be other damaged parts ... repair bill could be more than a replacement oven.

If you find a oven that comes with a rack, here is how that works. You will observe that the rack sits with flat feet on a carousel which is typically out of the range of the microwave OR has been built to reflect the waves in a manner that they will not damage the magnatron. Typically, a rack will be made of very small round stock that will not reflect much in any single direction ... besides that, you would have food on the rack that would absorbe most of the energy anyway.

If you replace this oven, please ensure you review all the warnings and instructions that will accompaly your new oven ... even the seemingly silly stuff like "dont use the microwave in your bath tub to heat the water".

I believe your oven is cooked. I'm sorry you are having this trouble and I hope my comments have helped you to arrive at a workable solution to your problem.

Thank you for your interest in FixYa.com

If you are pleased, the courtesy of a positive vote and response will be appreciated by this volunteer effort on my part.

Posted on Oct 03, 2010

  • A Miller Oct 08, 2010

    Thank you for the 4 thumbs up ... I hope I have helped you with your problem.

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http://www.managemylife.com/mmh/owner_manuals/7040/SHARP-Countertop-Microwave-L0710282?brand_name_search=R-7A85


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Since it's less than one year old, it would be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

You can contact Sharp at 1-800-BE-SHARP (1-800-237-4277) or visit them online.

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

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