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Washing Machine Problems

Discussion in 'Electronic Basics' started by Sengthum, Jul 3, 2003.

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  1. Sengthum

    Sengthum Guest

    I have questions on my washing machine. It doesn't spin, agitate, or drain
    unless I have to unplug the power supply and replug it back after 30
    minutes. Then after running for a while, it deads again. Do you have any
    ideas what causing to these problems? I am thinking of replace the control
    electronic board, which it costs about $200 not including the labors. Its
    cost is almost the same as replace a new machine. My washer machine is
    Kenmore and its model is 11020052992.

    Thanks for your help.

    Seng
     
  2. It sounds to me like the processor or some other chip (such as a driver
    chip) is heating up and then failing. Allowing it to cool lets it resume
    operation. To troubleshoot it, you should have a can of freeze spray and open
    the box. When the failure occurs, try spraying the chips and when they cool
    down, see if it starts working again.
    Here is a thought- if the CPU is dying, then it will likely require
    rebooting to continue operation. If a driver or output chip is dying, then it
    should resume operation without a hitch.
    Now, are you able to replace these parts if you find the faulty ones? Many
    are surface mount these days.

    Cheers!

    Chip Shults
    My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
     
  3. AC/DCdude17

    AC/DCdude17 Guest

    X-No-Archive: Yes

    30min cool down time suggests overheating of something with a greater thermal
    capacity than semiconductor components.
    If it's the controller chip, it's proprietary and the only replacement you can get
    is the whole circuit board so he doesn't even need to worry about component level
    repair.

    Depending on the level of cooling needed to get it to run again and the amount of
    space available, he might be able to get away with gluing on a transistor heatsink
    :)
     
  4. the Wiz

    the Wiz Guest

    Motor overheating from excessive load, such as a sock in the pump or a partially
    blocked drain hose?

    More about me: http://thelabwiz.home.mindspring.com/
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    Drivers for Pablo graphics tablet and JamCam cameras: http://home.earthlink.net/~mwbt/
    johnecarter atat mindspring dotdot com. Fix the obvious to reply by email.
     
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