If your refrigerator dispenser is leaking water, start with the most likely causes and work down the list: inspect the dispenser door and its motor or solenoid first, since a damaged or stuck door commonly lets water drip out; next check the home water pressure, because low supply pressure can cause the dispenser to leak or the inlet valve to fail to seat (the inlet valve typically needs about 20 psi to operate properly). Also inspect the dispenser actuator and dispenser switch for damage or loss of continuity, and test the water inlet valve for obstruction or faulty solenoid coils if leaks continue. Whether your fridge water dispenser is leaking onto the floor or the dispenser seems to be failing entirely, these checks will narrow the problem and point to the right replacement part. Enter your model number on RepairClinic.com to find the exact dispenser door, actuator, inlet valve, or switches that fit your LG refrigerator so you can get the correct part and complete the repair with confidence.
01 - LG Refrigerator Dispenser Door
The dispenser door is opened by a motor or a solenoid to dispense the ice, but if the door is broken, it may not open properly in order to release the ice. You should inspect the dispenser door for damage to determine if the component should be replaced. You may have to remove the dispenser control panel or frame to access and inspect the dispenser door.
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The water inlet valve, which supplies water to the refrigerator water dispenser, requires sufficient water pressure to work properly. If the water pressure is too low, the dispenser will leak. You can check the water flow at the kitchen faucet to help determine if the home's water pressure is sufficient or not.
Common
03 - LG 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.
A refrigerator water inlet valve will direct water to the dispenser as well as the ice maker fill tube. If the inlet valve is obstructed, the solenoid coils on the valve are defective, or the home's water pressure is too low, the water valve will not work properly. 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.
The dispenser switches send voltage to the dispenser. If one of the dispenser switches is defective, the dispenser will not work. To determine if a dispenser switch is defective, use a multimeter to test each switch for continuity. If a dispenser switch does not have continuity, replace it.