Question about Whirlpool WMH31017AW 1.7 cu. ft. Over-the-Range Microwave Oven with 220 CFM Vent System, 2-Speed Fan, 1,000 Watts, 2 Stage Cooking and Blue LED Display: White
It won't heat the table turns and the lights work but won't heat
Its the high tension fuse .9 size its long
Posted on Nov 11, 2014
Testimonial: "thank you Bobby for your answer it turned out to be the magnetron it was bad so glad it was under factory warranty so they payed for it."
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
The most common causes for a lack of heating are a bad door switch, a loose connection on the magnetron, a bad magnetron, bad connection on the control circuit board, a bad relay on the board, bad high voltage diode, or bad high voltage transformer. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
Posted on Sep 28, 2007
Generally, the most common causes of a failure to heat are: - bad door switches or door switch mounts At our site, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information. See our listing here on FixYa: http://tinyurl.com/yzjozk
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part
Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
At our site, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information.
See our listing here on FixYa: http://tinyurl.com/yzjozk
Posted on Oct 22, 2007
SOURCE: My microwave does not heat anything. The touchpad, exahustfan, light works. The motor turns on and turn-table works for the number of mins specified but does not warm up the stuff. Please help!
Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.
The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.
There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.
Posted on May 26, 2009
you either need a new h.v. capacitor or h.v. diode in the magnetron circuitry if you cant hear it cycle when it runs as in a low pitched hummmm when its drawing current to operate the magnetron tube, each part runs about $30 to $45 each,normally its the h.v. capacitor though
Posted on Jul 28, 2010
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