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LG Refrigerator Ice Maker Not Working

LSC26905TT

The 8 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 # 1266849 Mfg Part # 5221JA2006D

Water Inlet Valve

RepairClinic Item # 1266849

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.

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Ice Maker Assembly - Part # 1266867 Mfg Part # 5989JA1005D

Ice Maker Assembly

RepairClinic Item # 1266867

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.

$110.60

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Icemaker Module - Part # 1348344 Mfg Part # 5988JA1001H

Icemaker Module

RepairClinic Item # 1348344

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.

$81.90

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Icemaker Module - Part # 1462027 Mfg Part # 5988JA1002H

Icemaker Module

RepairClinic Item # 1462027

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.

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 # 1268249 Mfg Part # 6600JB3007B

Door Switch

RepairClinic Item # 1268249

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.

$6.05

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Water Filter - Part # 1266858 Mfg Part # 5231JA2002A

Water Filter

RepairClinic Item # 1266858

If the refrigerator ice maker is not working the water filter might be clogged. Try changing the water filter.

$61.70

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