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  1. #1

    trane 3 ton compressor

    When ac unit runs, only the fan turns on. The compressor keeps trying to start, but it pulls 90 amps and immediatly kicks out. It does this continually.Does this mean the compressor is bad?

  2. #2
    Join Date
    Aug 2009
    Location
    Beatrice, NE
    Posts
    1,983
    maybe

  3. #3
    What could cause this?

  4. #4
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,058
    Quote Originally Posted by Jeffrobodeen View Post
    What could cause this?
    It could be one of several issues, low voltage, burnt wire, high resistance in contactor, bad start component. How do you know it is drawing 90 amps?

  5. #5
    Join Date
    Aug 2009
    Location
    Beatrice, NE
    Posts
    1,983
    A stuck compressor, bad winding, bad cap, burnt wire, bad contactor, system pressure not equalizing, low voltage, short cycle, hydrolock, to name a few.

  6. #6
    A friend who is an electrician checked the amp draw when it was trying to start!

  7. #7
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,058
    Quote Originally Posted by Jeffrobodeen View Post
    A friend who is an electrician checked the amp draw when it was trying to start!
    Call to have it serviced, and do not attempt to start system, further damage could alleviate a simple repair.

  8. #8
    Ok, thank you!

  9. #9
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,608
    Fixed 3 units doing that exact thing today its the season for that part to fail ,call your service company

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