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Customer Questions and Answers for Refrigerator Icemaker Cycling Thermostat by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18030420
Manufacturer Part Number: WP627985

Ice maker stopped making ice? The cycling thermostat monitors temperature to control ice production. DIY-friendly repair with video instructions.

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Questions & Answers

For Whirlpool Refrigerator Icemaker Cycling Thermostat (Part Number: OEM18030420)

1 Answer

Joseph, No, the cycling thermostat is not a likely culprit. The thermostat controls the power to the ice maker motor, when the 14 dgrs. is reached, the thermostat closes and allows power to the motor and the ice maker cycles and dumps the cubes in the ice bin. Water dripping into the ice maker and bin is usually due to a "seaping" water inlet valve on the back of the refrigerator.

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Hello Farns, This is an internal issue with the icemaker and will be corrected by replacing the assembly.

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1 Answer

Hello Jay, The cycling thermostat monitors the temperature of the water in the ice mold. When it is cold enough, (about 20°F), the thermostat will close and start the harvest mode.

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Hello Jay. Make sure the temp in the freezer is between 0 and 5°. If so, then you will need to replace the icemaker in the unit.

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Glenn, No, there will not be a resistance reading if the thermostat is at room temperature. If you can take the thermostat and drop it in a glass of ice water for a few minutes , it has to reach a temperature of 14 degrees, then the circuit will "close" and have a resistance reading.

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1 Answer

Hello Anne. If you look on the parts page WP627985, there is an instructional video to show how to replace the thermostat. Thanks.

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1 Answer

Hello Jack. The temp in the freezer is to cold. It needs to be between 0 and 5° in the freezer.

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