Question about Kenmore 80809 Microwave Oven

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Kenmore over the range microwave is dead

I turned the unit on and within seconds I heard a rather loud explosive noise. Everything had gone black and has not worked since. My husband checked the fuse box. I unplugged and replugged, but nothing has revived this gem. I purchased the unit used from a friend who changed out her appliances from black to white and have gotten 10 years use so I have no complaints, but would like to know the reason for its demise. Does this have anything to do with the magnetron? If so, what is the approximate cost to replace one? Exactly what is the function of the magnetron? I would appreciate any advice, before purchasing a new unit. I like the looks of LG and Kenmore, but see so much negative feedback for just about all brands. I don't want to purchase a lemon as I've gone through that with my refrigerator. Any suggestions will be greatly appreciated, Shirley

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  • squirly Aug 11, 2008

    Thanks so much for the info. I will follow your instructions and if it fixes it will come back and leave a FixYa comment. Thanks so much, squirly

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  • 8,820 Answers

Since there was a loud pop, then the fuse blew, I would say the high voltage rectifier diode and fuse have blown.

If so, a do-it-yourselfer can fix this for about $25.

You can probably find exploded views and order parts by entering your model number here at the Sears parts site.

There may be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

Here is a link you or someone you know can use for test help, but read their safety warnings first:
http://www.gallawa.com/microtech/diode.html

(The magnetron is a vacuum tube based device that outputs the microwave energy waves)

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

Posted on Aug 10, 2008

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