Question about Microwave Ovens
Posted by Anonymous on
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Posted on Jan 02, 2017
The symptoms you are describing are typical of a magnetron that has gone bad. Continuing to attempt to use the oven in its current condition can cause further damage. So, I would recommend not using it. Microwave ovens are considered dangerous and repairs should not be attempted by anyone that is not electronic saavy. The High Voltage Network inside the oven has voltage potentials of 14,000 volts and higher. If you feel this is something you wish to attempt, the Magnetron part number is 1156751 and costs approx. $158. Keep in mind, if the magnetron has been arcing and making a burning smell you may have burned the protective coating that lines the walls of the waveguide. If the waveguide is damaged it is not repairable. I do not know if this is a replaceable item on your model microwave. Double check your warranty information and/or owner's manual. In many cases the magnetron is warranted for several years beyond the limited warranty that comes with most appliances. Post back with comments and let me know if you want me to assist you further. In addition, if you provide me with your EXACT model number (located along the door opening) I can narrow down parts a little better. I know this all sounds discouraging, but I do hope I have been able to help you.
Posted on Jan 15, 2008
SOURCE: Whirlpool Microwave
I would suspect the high-voltage transformer in this case, but the capacitor may be failing.
The high voltage section uses and generates voltages that can be instantly lethal.
So I don't recommend that anyone work in this area unless he has either a lot of experience or at the minimum, a good understanding of the safety issues and procedures involved.
If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
Also, there should also be a very helpful "mini-manual" hidden inside the unit behind the control panel. It's very helpful when troubleshooting.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
Here are some links you or a friend can use for test help, but read the safety warnings first:
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Feb 03, 2008
SOURCE: Microwave does not heat/cook
power spikes are very damaging to a microwaves internal parts, it sounds like your transformer and/or magnetron are blown. if the unit is out of warranty I would recommend calling a repairman or getting a new microwave (the transformer & magnetron are expensive and dangerous to work on) also get a small single plug surge protector for the new one.
Posted on Mar 23, 2008
Chances are you have a bad magnetron.
If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.
If you or someone you know 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.
There should also 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.
We're happy to help you and we'd appreciate your thoughtful rating of our answer.
Posted on Jul 28, 2008
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