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Roper Refrigerator Ice Maker Not Working

RT21LMXKQ00

The 7 most common part(s) or condition(s) which cause the symptom Refrigerator ice maker not working are listed below starting with the most likely. Check or test each item and watch any available videos.

Other Causes and Conditions

Freezer Temperature is Above 10 Degrees F (-12C)

If the ice maker is not working check the temperature of the freezer. If the freezer temperature is above 10 degrees F. (-12C) the ice maker will not work properly. It functions best when the freezer temperature is set between 0 and five degrees F. (-18 to -15C). If the freezer temp is too high make sure the condenser coil is clean and the condenser fan is working to cool the condenser and compressor. Check the evaporator coil for frost. If too much frost is built up the air can't circulate thru the coil and you will need to check the defrost components for a failure.

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Water Inlet Valve - Part # 1199652 Mfg Part # 2315576

Water Inlet Valve

RepairClinic Item # 1199652

If the refrigerator ice maker is not working the water inlet valve might be defective. The water inlet valve is an electro-mechanical valve. The coil can show good for continuity and still not let the water thru.

$44.40

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Ice Maker Assembly - Part # 1857 Mfg Part # 4317943

Ice Maker Assembly

RepairClinic Item # 1857

If the ice maker is not working it could be that the ice maker assembly itself is defective. The freezer temp should be between 0-5 degrees for the ice maker to cycle properly. There are several components in the control module of the ice maker that can fail and most are not sold separately. Also, ice makers have a relatively short lifespan and so it might not be worth fixing. If other, simpler parts like the water inlet valve or shut off arm have been ruled out, and the only thing left is the ice maker itself, replace it as a unit.

$106.05

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Icemaker Module - Part # 1469018 Mfg Part # W10190935

Icemaker Module

RepairClinic Item # 1469018

If the ice maker is not working the icemaker module at the front might be defective. The module has a motor that cycles the ice ejector arms around to push the ice cubes out when the ice maker thermostat closes. It also has contacts in it for the mold heater and water inlet valve. The motor or contacts of the module can fail. Usually there are test points in the module that a service person can use to determine if there is a problem with it or one of the related ice maker components. See How It Works: Refrigerator Icemakers video at top of page for more info.

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Other Causes and Conditions

Low Water Pressure from House Supply

If the ice maker is not working the water pressure in the house might be too low. The water inlet valve which supplies water to the ice maker is designed to work with a minimum of 20 psi of water pressure.

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Door Switch - Part # 3071 Mfg Part # 1118894

Door Switch

RepairClinic Item # 3071

If the refrigerator ice maker is not working, the door switch might be defective. When the freezer door is opened the freezer door switch does two things, it turns on the light in the freezer and turns off the ice maker and dispenser. If the door switch fails the dispenser will not turn on. The switch can be checked for continuity with an Ohm meter. If it doesn’t have continuity it should be replaced.

$7.95

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Icemaker Mold Thermostat - Part # 2942 Mfg Part # 627985

Icemaker Mold Thermostat

RepairClinic Item # 2942

If the ice maker is not working the icemaker mold thermostat might be defective. Inside the control module of the ice maker is a thermostat which monitors the temperature of the ice mold (ice tray). Once the mold reaches the proper temperature the ice maker starts a harvest cycle by ejecting the ice cubes and refilling with water. If the mold thermostat is defective the ice maker doesn't advance. The thermostat can be checked for continuity. Replace it as needed.The freezer temp should be between 0-5 degrees for optimum performance.

$23.50

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