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  1. 09-15-2011, 12:51 AM #1
    Tommy1010
    Tommy1010 is offline Professional Member
    Join Date
    Jul 2007
    Location
    New Jersey
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    3,031

    trying to jump out an XM board on heat pump

    Carrier wshp
    Model# 50RVC036LCC60130
    Serial# 3907V39197
    460v 3 ph

    keeps going into "fault retry"...slow flash intermittently

    Flushed out system, virgin r22 and same thing

    supply V - 464v average

    control V - 25v........So I know its not a UNDER/OVER voltage issue

    how would I jump out this board to get it running til i get a new xm board? OR CAN I???
    “If I have seen further than others, it is by standing upon the shoulders of giants.” ~ Sir Isaac Newton


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  2. 09-15-2011, 01:35 AM #2
    hvacrmedic's Avatar
    hvacrmedic
    hvacrmedic is offline Professional Member*
    Join Date
    Jul 2005
    Posts
    4,779
    Here's a link to the troubleshooting guide. Might come in handy.

    http://www.docs.hvacpartners.com/idc...50h,k,r-2t.pdf
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