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  1. #1
    Join Date
    Jan 2012
    Location
    Uk
    Posts
    15
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    0

    Carrier RA 30/100



    First time on here so be gentle

    Have a Carrier Chiller RA 30

    Comes up with an Error 34 fault as far as I can work out, this is a reverse rotation fault thrown up by sensors not picking up a difference in pressures.

    The compressor does not even try to start just goes in to fault

    Sensors on Pro Dialog are reading correctly and do change readings when compressor is helped to run

    Checked Hp switch this is made , checked connections to the board all correct

    Anyone have any ideas or is it time to call in a man with a laptop

    Thanks



  2. #2
    Join Date
    Jun 2006
    Location
    South Coast
    Posts
    278
    Rep Power
    23

    Re: Carrier RA 30/100

    The fault is the compressor not starting. Check to see if there is a compressor protection module such as a Kriwan module contact / overload contact which could be preventing the compressor starting.
    Gibbo
    Last edited by Gibbo; 23-06-2016 at 11:59 AM.

  3. #3
    Join Date
    Jan 2012
    Location
    Uk
    Posts
    15
    Rep Power
    0

    Re: Carrier RA 30/100

    Thanks for that, the compressor is not pulling in, overload is good and that is the only protective device.
    Must be the board not giving an output signal

    Thanks

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