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  1. #1
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    Re: De-Icing problem on PANASONIC E12BKP

    I have started with measuring the power supply to the fan, when it rotate.
    And it is 220V over Blue and Yellow. (look at pict 1)
    And the fan sill rotate slowly.
    Which colored cable shall be in use when the fan rotates?
    If it is the blue and yellow? it seems to be lokated to the fan-motor... (Since it is 220v over the cables)...
    What aboat the red cable?
    Attatched: wiring diagrams.
    Attached Images Attached Images

  2. #2
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    Re: De-Icing problem on PANASONIC E12BKP

    Quote Originally Posted by Charma View Post
    I have started with measuring the power supply to the fan, when it rotate.
    And it is 220V over Blue and Yellow. (look at pict 1)
    And the fan sill rotate slowly.
    Which colored cable shall be in use when the fan rotates?
    If it is the blue and yellow? it seems to be lokated to the fan-motor... (Since it is 220v over the cables)...
    What aboat the red cable?
    Attatched: wiring diagrams.
    Can you mail me? sveinao@hotmail.com

  3. #3
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    Re: De-Icing problem on PANASONIC E12BKP

    Quote Originally Posted by Charma View Post
    Can you mail me? sveinao@hotmail.com
    Why?..........

  4. #4
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    Re: De-Icing problem on PANASONIC E12BKP

    Quote Originally Posted by Charma View Post
    I have started with measuring the power supply to the fan, when it rotate.
    And it is 220V over Blue and Yellow. (look at pict 1)
    And the fan sill rotate slowly.
    Which colored cable shall be in use when the fan rotates?
    All 3!
    One is common neutral (Yelow), one is line to main winding (Blue) and one is line from condenser to auxiliary winding (RED).
    It could be different when main socket connection plug is 180°rotated.

    One is common line (Yelow), one is neutral to main winding (Blue) and one is neutral from condenser to auxiliary winding (RED).

    If it is the blue and yellow? it seems to be located to the fan-motor... (Since it is 220v over the cables)...
    You need to learn some basics of how 1phase induction motor works.
    http://www.allaboutcircuits.com/vol_2/chpt_13/9.html

    What aboat the red cable?
    Between red and yellow you should have also 220V.
    If not, you have faulty condenser.
    If yes, you could still have faulty condenser or fan motor. Change condenser, here it cost less than 2 Euro.

    Also, your relay is faulty, or PCB is faulty, since your fan does not turn off.
    Check that relay doesn't have 12V DC at relay coil when you switch of heating or cooling.
    If you have, than PCB is faulty. If not, and you still have 220V at fan, than relay has welded contacts and need to be changed with same, or similar by characteristics and dimensions.
    Last edited by nike123; 10-01-2010 at 03:37 PM.

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