Question about Microwave Ovens
I was reheating food in our microwave this afternoon and it caught fire. The microwave shut off and now there is no power to the microwave. I assume after a little research that I need to replace the thermal fuse/flame sensor (is this the same thing?). However, I don't know where that is located. It is a Kenmore 721.80603. I went to the Sears website as directed but they did not have an exploded view diagram of this particular model. Can anyone help? Is this something we could do ourselves? Thank you.
GE JES 1358 WK 01 microwave:
I recently had the same problem with a "flame sensor, " aka "thermal switch." My microwave is a "throwaway" model, very few repair parts available. I didn't want to replace it, so I did a little bit of research into thermal switches. I actually found one that would replace it for about $5 (plus $5 shipping).
Mine uses a "bimetal" thermal switch. There are three kinds of bimetal thermal switches: automatic reset, manual reset, and "one time use." The really interesting thing is this: the "one time use" resets (!!!) if the ambient temperature is below 0 degrees C, or 32 F (freezing); or, in some cases, -31 C, or about -22 F.
I put my "dead" flame sensor in the -10 F part of the freezer for about 20 minutes...
Checked it with my multimeter, and the once-dead sensor now read continuity (zero ohms)!!!
Reinstalled it in the microwave, and now it works fine.
So if you have a dead sensor- try freezing it...
Posted on Jan 23, 2009
It may be is called a flame sensor, oven temperature fuse, oven thermal cutout, cavity thermal cutout,etc.
You should be able to find exploded views and order parts by entering your full model number here at the Sears parts site.
A full Sears/Kenmore model number has 3 digits, a dot, then 8 more digits, such as ###.########.
You're missing the last three digits. Check the model number tag on the oven, not the manual.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Sep 26, 2008
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Posted on Jan 02, 2017
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