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Thread: Samsung Front Load Washer WF448AAP/XAA won't drain

  1. #1

    Samsung Front Load Washer WF448AAP/XAA won't drain

    Model Number:
    Brand: Samsung
    Age: 6-10 years

    Model Number: WF448AAP/XAA
    Brand: Samsung
    Age: 6-10 years

    Good afternoon all. Frustrated and at my wits end on this washer. I have gotten the "No Draining" error, and have worked off all items that I could find to fix it. So farI have replaced the pump, Pressure Sensor, checked for clogs/blocks on all hoses, and replaced the PCB main board, and Aux board. I have read and looked for anything else that might be causing this and am at a loss.

    What am I missing?

    Chris

  2. #2
    By the sound of it you have replaced everything that could cause a drain problem.

    Have you checked the drain circuit with a meter?
    Could be that you have a bad wire or connector.

    I am assuming that you have the tech sheet/wiring diagram.

  3. #3
    I donít have the wiring diagram. Any idea where to get that? It would be helpful.

    Thanks

  4. #4
    Below is a link with info on this unit
    https://drive.google.com/drive/folde...1hYVHA5enZ5aEU

  5. #5
    How do I test the drain circuit? I don't know how to read the wiring schematic, but I have a multimeter. I've already changed main board and drain pump. Still getting ND error.

    Any help?

  6. #6
    You never said but is it actually draining?

    Check for 120 volts across the drain motor/pump to see if it is getting power.

    If it is not getting power check from Plug 10 P pin 3 to Plug 2P pin 1

  7. #7
    All, turns out the relay on the Main PCB for the drain pump was bad. Removed the board, cut out the back of the plastic casing, scraped out the silicone to test the relay. It did engage, but did not pass power. Ordered a $1.99 relay, de-soldered the old one, and soldered in the new one. Voila! Matching works like a champ!Click image for larger version. 

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    Last edited by sloandog; 09-07-2018 at 12:12 PM.

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