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Refrigerator water dispenser not working

01 - Refrigerator Water Tank Assembly
A refrigerator's water tank assembly channels the water coming in from the water inlet valve through the water filter and onto the dispenser. If the tank assembly is frozen, or a water line is crimped, water may not be able to get through. Inspect the water tank assembly for any obstruction or damage and replace if necessary.
Required Part
Refrigerator Water Tank Assembly
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Most Common Solution
02 - Refrigerator Dispenser Actuator
The dispenser actuator is the component that activates the switch or switches to send voltage to the dispenser. If the dispenser actuator is damaged, it may be unable to activate the switch. Inspect the dispenser actuator for any damage and replace with a new one if necessary.
Required Part
Refrigerator Dispenser Actuator
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Most Common Solution
03 - Water Tube in Door is Frozen
To determine if the water supply tube is frozen, disconnect the tube at the bottom of the door and blow air through it. If air does not pass through, this indicates that the water supply tube is frozen. If the water supply tube is frozen, thaw it out. In addition, ensure that the freezer is kept at the proper temperature. The freezer temperature should be kept from 0-10 degrees Fahrenheit. If the freezer is too cold, the water line may freeze.
04 - Refrigerator Water Inlet Valve
The water inlet valve opens to supply water to the dispenser. If the water inlet valve is defective, or if the water pressure is too low, the water valve will not open. The valve requires at least 20psi to function properly. Make sure that the water pressure to the valve is at least 20 psi. If the water pressure is sufficient, use a multimeter to test the water inlet valve for continuity. If the water inlet valve does not have continuity, replace it.
Required Part
Refrigerator Water Inlet Valve
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Most Common Solution
05 - Low Water Pressure from House Supply
The home may have insufficient water pressure. The water inlet valve supplies water to the water dispenser. The water inlet valve requires a minimum of 20 psi to function properly. Check the water flow and test the pressure to determine if it is at least 20 psi.
06 - Misaligned water filter
Water filter may not be seated properly. Remove and reinstall the water filter. For optimal performance, refrigerator water filters should be replaced every six months or after 200-300 gallons of water have been dispensed - whichever comes first. Replace the water filter if needed.