Question about Kenmore 66469 / 66462 / 66464 Microwave Oven
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 (such as a shorted diode)
A higher than normal buzzing noise would lead me to suspect the magnetron.
The magnetron should have a 5-year part warranty, and while GE would cover the part, you would still have to pay for labor.
Labor costs in this situation can run about $100-200, depending on whether you remove it from the wall and carry it to the shop, or if a technician comes to the home.
If you or someone you know decide to look into it, we have critical safety, disassembly and troubleshooting information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
There should also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Mar 30, 2008
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Posted on Jan 02, 2017
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