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  1. #1
    Join Date
    Jan 2012
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    new trane heat pump stuck in defrost

    Just had new Trane 3 ton xl16i with Tam 7 air handler installed 4 weeks ago. We began noticing the outdoor unit starting and sopping frequently about 2 weeks ago. Installer says the unit is stuck in the defrost cycle. They have ordered a new controller board and valve. We hope this fixes the problem, but are worried that this new unit may have suffered damage due to all the cycling. Anything else we should insist they do or check? Thanks for any insight.

  2. #2
    Join Date
    Jan 2004
    Location
    PA
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    69,743
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    pig-pen, this is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

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  3. #3
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    35,307
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    Board & valve? What valve? Are they guessing or do they know what's up?

  4. #4
    Join Date
    Jan 2012
    Posts
    3
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    i am afraid that the contractor is just guessing-this is a sophisticated system compared to the old one and i don't know enough about all the wiring and such to know if what i am being told is correct or not.

  5. #5
    Join Date
    Jan 2012
    Posts
    3
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    new trane stuck in defrost

    i am afraid that the contractor is just guessing-this is a sophisticated system compared to the old one and i don't know enough about all the wiring and such to know if what i am being told is correct or not.

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