Question about Whirlpool Refrigerators
The whining and/or whistling noise is caused by a problem with the MAIN CONTROL BOARD, not, the variable speed fan motor. You can change the fan motor and the related thermistors and the problem will persist. The Main CONTROL BOARD is located on the back of the refrigerator behind a panel with from 3 to 10 quarter inch hex head screws. All of the of the connections to the board are normally easy to remove and re-install on the new board. I have had some new boards with bent pins, so, be careful when trying to put the plugs on the pins. Also, you can not get the plug configuration wrong, since, every plug has a specific number of pin holes. The board itself has 4 white nylon pins holding it to the refrigerator. These pins have a side that you must push in to release the board. I use a tiny screwdriver for the job. As you might be able to tell. Please unplug the refrigerator before performing any the the above actions. The Main Control Board is the source of many other problems, such as, Compressor not running, Ice and Water through the door problems and defrosting of the evaporator coil. Don't let a repairman condemn a compressor before it is proven to be defective.
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Posted on Oct 07, 2010
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Posted on Jan 02, 2017
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