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    BruceA's Avatar
    BruceA Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Sep 14, 2005, 04:56 PM
    Trane AH speed doesn't slow
    A Trane XL14i heat pump was installed 6/8/05. The variable speed air handler fan only runs at full speed or off, but not slow when demand is low. The dealer's tech has replaced 2 electronic modules, to no avail. He can't seem get expert advice from Trane. I would greatly appreciate any advise to help him. Thanks in advance. BruceA
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #2

    Sep 14, 2005, 07:41 PM
    I think in some cases, you move wires or jumpers on the board. I am going to be looking at this on a couple of A/C units I care for.
    BruceA's Avatar
    BruceA Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Sep 21, 2005, 04:21 PM
    Checked units?
    Hi Labman,

    Have you had a chance to check the units? Thanks again.

    BruceA
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