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-   -   New Installation Goodman GMS 91155 DXA eff 93% (https://www.askmehelpdesk.com/showthread.php?t=76145)

  • Mar 26, 2007, 02:26 PM
    Mike47
    New Installation Goodman GMS 91155 DXA eff 93%
    HI
    My Goodman furnace will not (repeat cycle) . Furnace will operate, but after it reaches
    The desired HEATING TEMP, it shuts down and will not recyle, when the temp drops.
    I then get the 3 blink flashing light---indicating (pressure switch is stuck open).
    Then I turn the furnace off for about 1 hour then adjust the thermostat to desired temp
    And the furnace will ignite and bring temp up to desired setting.
    Appreciate your help, and I thank you. Mike
  • Mar 27, 2007, 01:22 AM
    NorthernHeat
    Flue pipes are possibly the wrong size, best guess.

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