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  1. #1
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    Fujitsu split fan motor



    Howdy - looking at a condenser - mod:AOT30LMADL.
    Condenser fan not working - no power to the motor, do i just order up the circuit board or is there a common sensor fault not bringing it in like with some other models?
    Pls let me know your ideas??
    Thanx..



  2. #2
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    Re: Fujitsu split fan motor

    Probably the relay on the PCB. There are a couple of relays to control the fan. One to provide the power (K13) and another to switch between the speeds (K11). You can try giving the power supply relay K13 a little whack, might prove a point. Chances are the relay contacts have gone a bit pear shaped.
    On the motor plug white is neutral, black is start winding which goes back into PCB to capacitor then to neutral, red and blue are the 2 speeds, guess you might have already figured that out though.

    Thermistors shouldn't hold fan out, especially if you test in both modes. Always worth checking them though, got a sheet attached.

    Cheers!
    Attached Files Attached Files
    Last edited by Tayters; 04-03-2014 at 09:28 PM. Reason: Ha, wrong attachment.
    Health and safety first..........unless I'm in a hurry.

  3. #3
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    Re: Fujitsu split fan motor

    Thanx mate - i'll check em out!

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