Question about Whirlpool Microwave Ovens
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Posted on Jan 02, 2017
The turntable motor may be bad, if you've confirmed the switch is working. The motor is located under the bottom of the microwave and has the shaft penetrating through the bottom of the oven cavity with a drive coupler attached. The coupler is what drives the glass carousel tray. The motor can be accessed by unplugging the microwave and removing the bottom panel screws. The motor is held in by a couple of screws and two connecting wires. The coupler will lift up and pull off the motor shaft from inside the oven.
You can view this part and exploded view diagrams of your microwave at appliancepartspros.com. Just type in your model number and look under the "Magnetron and Air Flow" heading for item 6 (part number AP 3119645).
If you have any questions, please let me know. I hope this helps you.
Posted on Jul 13, 2009
HI. in most cases, this will lead to a failed Heating device(magnetron tube).It would be wise to check the Magnetron cutoff fuse to be sure of its integrity. if the fuse is blown, simply replace it. if the fuse continues to show continuity, replace the magnetron.
(((The fuse is located inside the unit along side the magnetron)))
Posted on Jul 31, 2009
Sounds like the magnetron has failed. It is the magnetron that generates the microwaves that heat the food. If it or the circuit that powers it fails then it stops heating. There are some high voltage circuits that feed the magnetron and you can potentially get hurt if you don't know what you are doing. Would recommend you have it serviced by a professional if you want it fixed, otherwise look for a new one since the cost of repair can come close to the price of a new microwave oven.
Posted on Dec 24, 2009
Check if the stepper motor is ok, the fuses (the little ones too) if they are blow first.
Posted on May 04, 2012
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