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    fixittoolman's Avatar
    fixittoolman Posts: 1, Reputation: 1
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    #1

    Jan 23, 2010, 12:43 PM
    Trane furnace troubleshooting - XV90 error code?
    My XV90 upflow furnace gives a 9 red flash code when it starts up. My installers guide says it is an "Open Inducer Limit switcch". The furnace works OK, should I be worried about this?
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Jan 23, 2010, 06:26 PM

    Only be worried if he bypasses the limit switch.
    moe882's Avatar
    moe882 Posts: 1, Reputation: 1
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    #3

    Jan 31, 2010, 10:08 AM
    Our 3 yr old xv90 gave off the same code when it stopped overnight. Had a repairman out who quickly saw that the tube that expels the water was frozen at the tip, causing the unit to shut down. A quick blow-torched screwdriver head inserted into the tip tapped the hole and everything started up and ran perfectly.
    Jamesbill's Avatar
    Jamesbill Posts: 1, Reputation: 1
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    #4

    Feb 19, 2011, 05:22 PM
    Anybody have a four red flash error code. Replaced the temperature limit switch. Not getting any codes,but the gas furnace still shuts off after a few minutes and. Thermostat shows desired temp five degree warmer than room
    Steveywags's Avatar
    Steveywags Posts: 1, Reputation: 1
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    #5

    Oct 11, 2011, 12:57 PM
    How do u open limit switch?
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