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Whirlpool Modular Icemaker Repair



For general information visit the "how icemakers work page"

Whirlpool In-Door Ice System Troubleshooting

Icemaker Mechanics and Troubleshooting PDF


Checking Components With a Voltmeter Video

The icemaker’s component resistance levels can be checked through the front of the icemaker on the style displayed in the image below.
Note: The refrigerator must be unplugged for any resistance readings to be successful and prevent damage your volt meter.
Set your multimeter to measure resistance, next insert your meter leads into the test points to check the corresponding icemaker component.
L and H will measure heater's resistance it should be about 72 ohms.  (Some resistance not open)
L and M will check the motor resistance (approximately 4400 ohms) (Some resistance not open)
V and N will check the resistance of the water valve coil (approximately
300 ohms).  This one is nice because you can test the water valve without having to pull the refrigerator away from the wall. The coil can give a positive resistance reading and still be clogged or not opening for some other reason. If the water valve tests open, it definatly needs replacement, this almost never happens.

Icemakers do not have any kind of a water level sensor like a washing machine does; instead they fill for a set period of time as the rotation of the timer temporarily energizes the water valve. Icemakers are set at the factory for average household water pressure; however, if you start to have problems with individual ice cube groups connected along the top, icicles hanging from the icemaker, your ice container floor covered with ice, or small cubes, you can correct the problem by adjusting how long the valve is energized with a screw located on the icemaker module. Adjustment is clockwise to reduce fill time and counter clockwise to increase it.