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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

Vitaliy, unfortunately, we would not be able to recommend the use of alternative parts as we would not be able to guarantee it would work properly within specs.

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1 Answer

Robert F, The thermostat can be removed by removing the control box from the ice maker mold. Remove the two Phillips screws from the control box and then pull the housing free from the mold. The thermostat can then be removed. Press in the new thermostat making sure the pins are indexed as they were removed. Be sure to use new thermal bonding material such as Alumilastic Cement WP4317852.

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1 Answer

jameswhalensr, We would need to have the model number of your unit to be able to assist with your question.

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1 Answer

Roger, if the water valve is not receiving voltage, the valve would need to be replaced and it is possible the ice maker may need to be replaced as well if the mounting section of the liner is not damaged.

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1 Answer

Darian, if the on/off switch of the ice maker is in the on position, the ice maker W10882923 would need to be tested for 120VAC from the black wire to the white wire. If there is voltage, the ice maker has failed and would need to be replaced.

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1 Answer

Ron, with the ice maker face cover removed from the ice maker motor, the ice maker would need to be placed into a harvest mode. Using a jumper wire, place one end into port T and the other into port H until the ice rake reaches the three o'clock position. After removing the jumper wire once this position is reached, a meter would be used to test from port N to port V until the harvest cycle has completed. Near the end, there should be 120VAC when testing these ports. If there is and water does not fill the ice maker, the water valve WPW10312696 has failed. If there is not voltage, the ice maker W10882923 has failed.

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1 Answer

Hello Joann, check the dispenser ice chute flapper is fully closing, check that the ice chute seal on the inside of the left fresh food door is sealing to the bottom of the ice bin outlet,g, check if the ice maker is being overfilled with water causing a drip into the ice bin, check that the ice maker fill tube is not out of place.

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Pete for Model Number BG21VW

Thank you for your reply to my previous post. Note the following: V-N(solenoid) 347 ohms, T-H(T'stat) 0-76 ohms readings bounced around, L-M(motor) 73 ohms, L-H(heater) 72 ohms. Voltages with ice maker not cycling = V-N Zero V, T-H 120V, L-M Zero V, L-H Zero V. Jumped thermostat to initiate cycle waited a few seconds removed jumper and took readings while ice maker cycling = T-H 120V, L-M 120V, L-H Zero V, V-N read ZERO V until dial reached the 2nd A in ManuAlly then voltage read 106 V for a few seconds then dropped to ZERO. No water added to ice maker. Ice maker does cycle on it's own but never fills with water near end of cycle. Once again jumped L-V and water enters ice maker. Freezer temperature was about 5F at start of test above. I'm not sure what my problem is. Should the thermostat be closed all of the time when the temp is 8F or lower? If so then the voltage reading between T-H should be 0V reflecting closed vs 120V that I get reflecting open.

1 Answer

Pete, the ice maker should send 120VAC to the valve for 9-14 seconds. As the voltage is dropping and if the time is not even 9 seconds, the failure would be in the ice maker assembly D7824706Q.

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1 Answer

Pete, it would be recommended that the freezer temperature is verified as being below 8°F using a thermometer. If the temperature is below 8°F, the ice maker is faulty and would need to be replaced based on the information provided.

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E-Diyer for Model Number ED5PHEXNL00

The ice maker on my Whirlpool refrigerator (Model: ED5PHEXNL00) stopped working. On 9/13/202, I tried the process of elimination so I replaced the water filter, the water inlet valve, and the ice maker assembly. The ice maker will fill the water tray and freeze it but it will not eject the ice. Crazy part is that I can lift the control arm up and then push it back down, moments later the ice will be ejected. After ejecting the ice, the ice tray mold refills but it doesn't eject the ice again when frozen.

1 Answer

E-DIYer, On your unit, the ice maker will cycle when the cycling thermostat reads a certain temp and closes the circuit for the motor to cycle. Try turning on the max ice feature to drop the temp down around the thermostat. I believe there is a fan that helps circulate the air to freeze faster. Try adjusting freezer temps to the coldest settings for a day and see if that helps. If nothing changes then the thermostat would be the most likely cause. Or possible a part warranty from wherever you purchased the part since the thermastat comes with the ice maker.

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