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Thread: WM3470HWA LG Washer no longer turns on

  1. #1
    Join Date
    Jan 2008
    Location
    Minneapolis
    Posts
    55

    Default WM3470HWA LG Washer no longer turns on

    Model Number: WM3470HWA
    Brand: LG
    Age: 6-10 years

    Long time member ��
    It seems our washer will no longer turn on. A month ago it did the same so I flipped the breaker and it worked. Then a few weeks ago did it again, just never turns on (no power lights, nothing). I went and switched the washer dryer plugs around to different outlets, it worked. Now today the washer will not power up despite flipping the breaker and switching outlets.

    I am suspecting it’s the circuit board.....
    BTW, I don’t think the breaker or switching outlets did anything (lol) but worth a try right?
    Last edited by gophermn; September 30th, 2018 at 04:51 PM.

  2. #2
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    30,867

    Default

    Measure the voltage where the power cord connects to the noise filter and then where the noise filter connects to the main board. If the voltage is correct (120 VAC), disconnect and reconnect each wire connector. Check the pins in the connectors are not backing out of the connectors. Replace the main board:
    Main Control Board EBR78263901
    Click image for larger version. 

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  3. #3
    Join Date
    Jan 2008
    Location
    Minneapolis
    Posts
    55

    Default

    Thank you... part ordered..

  4. #4
    Join Date
    Jul 2006
    Location
    Murray, Utah 84107, United States
    Posts
    30,867

    Default

    Did you do the voltage checks?
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 31 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

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