Question about Kenmore 60659 Microwave Oven

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Microwave Dead after burning up potato

I've had this built-in over-the-range microwave for more than 3 years. It has always been reliable. Recently, I tried baking/cooking one small to average size potato. I realize now that I probably set the timer for too many minutes. I had set it for 10 minutes on full power, because earlier the same day I cooked about 4 or 5 potatoes in a different microwave at work and the smaller ones turned out just fine. Anyway, smoke poured out of the microwave, there is some smoke soot inside the microwave, and the potatoe sort of looked like a large piece of charcoal. Ever since then, the microwave is totally dead. Nothing on it works. I checked the fuse on my electric box and it seems to be ok. Is there something I might be able to do to fix the microwave, or do you think it is repairable at all? I hope it can be fixed as the cost and installation of a new one will be more than $400.

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Re: Microwave Dead after burning up potato

I had the same problem, technician said it was the thermostat, once replaced it worked fine.

Posted on Sep 11, 2007

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Re: Microwave Dead after burning up potato

Chances are the magnetron overheated and blew the thermostat / thermal cutout that monitors it. The magnetron itself may be bad, too. If Sears Service might consider this still under magnetron warranty, then they may replace the mag with no part costs (or just the thermal cutout part cost), but likely would charge labor. You can contact customer service or repair via Otherwise, if you or a friend decide to work on it, we have *critical* safety and disassembly info at our site, which is linked at our listing here on FixYa: You can find helpful exploded view diagrams and order parts by entering your base model number (without the suffix) here: or likely cheaper here:

Posted on Feb 07, 2007

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