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  1. #1
    Join Date
    Jul 2007
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    U.S.
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    Carrier 30rba160 Chiller



    Have a carrier chiller model number 30RBA16064-5---3 that we are getting a "no communication" alarm/error every now and then. We have to toggle power off and back on to restart chiller. any suggestions? We have checked connections and the manual without any luck.



  2. #2
    Join Date
    Mar 2005
    Location
    u.a.e
    Age
    62
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    171
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    Re: Carrier 30rba160 Chiller

    Is this a single one or duty/standby config. What is the alarm code? If it is for a individual compressor circuit then check the communication bus connected to the boards, check visually for loose connection or rusted pins, Remove from the connector clean with electronics board contact cleaner spray and then re fix it.
    If it is okay then may be the board is faulty, you have to replace/swap (if possible) to confirm it.
    Is chiller is connected with BMS then also check the command signal.

  3. #3
    Join Date
    Jun 2006
    Location
    South Coast
    Posts
    269
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    18

    Re: Carrier 30rba160 Chiller

    You need to give the alarm code so we know exactly which comms alarm you have as there are several.
    Gibbo

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