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Use this guide to test and replace the water dispensing switch on your LG refrigerator.
This guide will work for most LG refrigerators. This guide is written with an LG model LFX25973 refrigerator. If you have a different model, you may encounter some minor disassembly differences, but the overall repair process will be the same.
The water dispensing switch triggers a solenoid valve in the refrigerator so that it dispenses chilled water through the dispenser.
If the switch fails, the refrigerator will either not dispense water or won't stop dispensing water.
The repair is moderately difficult. The removal of the dispensing unit is probably the most challenging step.
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Unplug your refrigerator before you begin your repair.
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Condenser fan motor
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Compressor motor and thermal overload device
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Water supply valve assembly
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To remove the left door handle, first open the right door.
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Use a 2 1/2 mm hex wrench to loosen the set screws in the top and bottom of the left door handle.
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Pull the left door handle straight off to remove it.
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Right side clips
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Top clips
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Left side clips (Note, the dispenser is being held upside down for the photo, so the upper left side clips are at the bottom of the photo.)
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Use a spudger to pry out the top edge of the dispenser assembly.
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Once you've created a gap, use your fingertips to pull the edge downward.
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Use additional spudgers to unfasten the clips securing the dispenser assembly to the refrigerator door.
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Grasp the top edge of the dispenser assembly in the middle and pull outwards.
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Continue prying and pulling around the perimeter of the assembly to release it.
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Grasp the assembly firmly and pull it out of the refrigerator door.
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Squeeze the multiple wire connectors and pull them straight off to disconnect them from the various PC boards.
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Some of the connectors may be permanently attached to the PC board and can't be removed.
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Squeeze and separate the various connectors in the wiring harness. The photo shows two examples.
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Use a Phillips screwdriver to remove the screw securing the circuit board holder to the dispenser assembly. Many, but not all, units will have this PC board and holder.
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Lift and remove the circuit board holder from the dispenser assembly.
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You can now remove the dispenser from the refrigerator.
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Use a Phillips screwdriver to remove screws securing the water switch bracket to the dispenser assembly.
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Lift the switch bracket off the dispenser assembly.
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Slide the water dispensing switch off of its pegs on the bracket.
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Pull the connector straight off the water dispensing switch to disconnect it.
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Touch one probe to each of the switch terminals at the same time.
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If the switch does not operate as described above, replace it.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
