The parts or condition listed below for the symptom Refrigerator water dispenser not working are ordered from most likely to least likely to occur
To determine if the water supply tube is frozen; unplug it from the lower side of the door, and blow into it to check if it not obstructed. If the air does not pass, it’s a good indicator that the water supply tube is frozen. If the water supply is frozen, unfreeze it. In addition, make sure that the temperature inside the freezer is maintained at the proper temperature. Freezer temperature should be between 0 – 10 degrees Fahrenheit. If the freezer is too cold, water supply may freeze.
The water inlet valve opens up to supply water to the dispenser. If the water inlet valve is faulty or if the water pressure is too low; the water valve will not open. The valve requires at least 20 psi to function properly. Make sure that the water pressure in the water inlet is at least 20 psi. If the water pressure is sufficient, use a multimeter to test continuity in the water inlet valve. If the water inlet valve has no continuity, replace it.
Water pressure at the house supply may be low or insufficient. The water inlet valve supplies water to the dispenser. The valve requires at least 20 psi in order to function properly. Verify the water pressure to determine if it is at least of 20 psi.
The dispenser control board controls most functions on the dispenser system. If the Dispenser control board is faulty, power supply to the entire dispenser system may be compromised. If only one element on the dispenser system is not working, test all other elements before considering the dispenser control board. If No elements of the dispenser system is working, it is very possible that the dispenser control board is malfunctioning.
A dispenser switch sends electricity to the dispenser. If one of the switches is faulty the dispenser will not work. To determine if a dispenser switch is faulty, use a multimeter to test the continuity of every switch; replace the ones that have no continuity.
An obstructed water filter may restrict water flow to the dispenser and prevent the dispenser from working correctly. The water filter must be replaced approximately every 6 months in order to maintain proper water flow and guarantee quality of water.
The door switch turns off the ice and water dispenser as long as the door remains open. If the switch on the door is faulty, the dispenser will not turn on. To determine if the door switch is faulty, use a multimeter to test continuity. If the switch has no continuity when it’s activated, replace it.
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