Question about Microwave Ovens

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Over range microwave

Will not heat-lights work,door works,etc but will not cook

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  • Anonymous Dec 22, 2007

    Have a Kenmore Elite Advantium 120 Micrwave/Convection oven installed over top of Kenmore Elite Electric Range/Convection oven. Both units were installed new in Spring of 2003. The microwave oven is shot and the repair man said it is a fire hazard. Since we cook every night the unit can't take being over the stove because the internal parts on the microwave are not armored from the moisture and oils that come up and condense inside the microwave oven's control panel and caused it to short out. The repair would have been ~$800.00 if we allowed it to be done but the unit was $600.00 new. This unit has one of the famous knobs that does almost everything, and this is what went along with some other unidentified componets. Do I install a new simpler microwave with push button technology only, or just replace it with a overhead fan only and a counter top microwave? Seems that most if not all of the over the stove type microwaves have this problem if the stove is used alot under them. Tell me where I have gone wrong here besides my spelling?



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  • Microwave Ovens Master
  • 9,098 Answers

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, and our link is at our listing here on FixYa:

You can usually find helpful exploded view diagrams and order parts by entering your full model number here:

Posted on Nov 30, 2007


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