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    lhorn1's Avatar
    lhorn1 Posts: 1, Reputation: 1
    New Member
     
    #1

    Aug 9, 2016, 11:30 AM
    Bryant air handler Fa4bnf030 heat strips locked on
    Heat strips locked on; unit blowing hot air whill on cool; disconnected heat strips; cooling again however blower will not cycle off with unit. What do i need to replace?
    Thanks!
    drtom4444's Avatar
    drtom4444 Posts: 3,282, Reputation: 145
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    #2

    Aug 10, 2016, 08:38 AM
    It sounds like the sequencer is bad and the fan switch is either bad or needs adjusting. The fan switch is usually a rectangular-shaped unit attached to the heat exchanger with an aluminum cover that when removed has a dial in it with two sliders on the dial to set cut-on and cut-off temperatures, plus a limit that is non-adjustable. Fan switches have different lengths of thermostat rods and you must match it exactly.

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