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  1. #1
    Join Date
    Jul 2002
    Posts
    818

    Exclamation URGENT:Trane Intellipak Human Interface error

    A Trane Intellipak unit display says "HI COMMUNICATION FAILURE - CHECK INTERPROCESSOR COMM LINK".

    The manual just says the Human Interface has lost communication with the RTU module. My question is how to diagnose exactly what the problem is. There are a number of boards. I cannot swap parts! This is a freestanding unit. The unit will reset with a power down reset and run for quite a while. When booting the screen says 6200-0047-02

    Multiforum post due to urgency
    Second place is the first loser.

  2. #2
    Join Date
    Feb 2009
    Location
    New York
    Posts
    52
    It has been awhile but I think it's just that, change out the HI then you will be able to see what diag's are giving you trouble
    FRED

  3. #3
    Join Date
    Dec 2004
    Location
    Brooklyn, New York
    Posts
    170
    Had this happen on a 2 year old unit- HI kept lossing comm with 1u48 board. Change HI.

  4. #4
    Join Date
    Feb 2006
    Location
    SouthEastern Virginia
    Posts
    1,075
    Pull the ribbon cable and clean the connections with a pencil eraser and maybe some De-Oxit. Let dry a moment and re-connect cable. Make sure the cable pins line up correctly on the modules. Intermitten failures are usually bad connections on these units.
    It might get loud!

  5. #5
    Join Date
    Jul 2002
    Posts
    818
    Finally got a hold of Trane tech support. They said if the unit is running OK the problem is the display. If the RTU is acting up the problem is the board. Replaced the board today.

    Thanks
    Second place is the first loser.

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