Question about Microwave Ovens
When i power the oven or close the door, the oven runs automatically. can i fix it myself?
It would help to know the full model number and whether the oven is actually cooking by itself when you close the door, or if just the fan, light, and/or turntable is running when you shut the door.
But either way, the first place the start is with the door switches and mounts. My help file on those is here.
If those are good, it may need circuit board repair.
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Posted on Nov 28, 2012
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Posted on Jan 02, 2017
SOURCE: Buzzing noise, wont work???
The magnatron is shorting, overloading the high voltage transformer. From the picture this looks like an older unit and is probably not worth a magnatron replacement.
Posted on Dec 31, 2007
This is usually caused by either a bad door switch, a loose door switch mount.
Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.
Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.
If you someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
Please feel free to contact me directly if you need more help.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Apr 18, 2008
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