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Thread: LG Refrigerator model LMX25984ST00 water dispenser not working

  1. #1
    Join Date
    Feb 2019
    Location
    Delaware
    Posts
    1

    Default LG Refrigerator model LMX25984ST00 water dispenser not working

    Model Number: LMX25984ST00
    Brand: LG
    Age: 6-10 years

    All,

    Looking for some advice with my LG fridge. The water dispenser has stopped working, and I think it will be easiest to just list the symptoms of what I'm seeing to diagnose the problem.

    First, the water flow started to become slower over the last year. Then the part where you would push the glass against to dispense water started to stick. You would need to push it again to stop the water. Now the water just won't dispense.

    Since the flow was steadily decreasing, I assumed the issue was with the pump, and replaced it. Still no water. The icemaker is working, and when I press the water dispenser I can hear the pump running. So, I think it may be the switch inside the door panel behind the dispenser, but would I still hear the pump if it is indeed a bad switch?

    Hoping I dont need to replace the whole dispenser. I appreciate your help!!

    Thanks

    Mike

  2. #2
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    32,570

    Default

    Access the main control board and measure the voltage across CONN1 PIN-10 and CONN1 PIN-4. Then measure across CONN1 Pin-9 and CONN1 PIN-4 When the dispenser is calling for water (press the disp lever) your meter should indicate 120 VAC for both measurements.
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  3. #3
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    98,082

    Default

    Hi Mike,

    The main control board is located in the back of your refrigerator, pull the refrigerator out from the wall, then you will see the cover for it, just unscrew the cover and you will see it.

    Here's the main control board for your model:
    EBR41956440 Pcb Assembly,main


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