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-   -   New control board old trane (https://www.askmehelpdesk.com/showthread.php?t=606675)

  • Oct 25, 2011, 05:45 AM
    VAWhvac
    New control board old trane
    Just put on new conversion control board on trane 80. Led lights up but nothing happens. Jumped thermostat and inducer and blower comes on but light blinks 4 times( open temp limit circuit). Have my family in house n its turning cold. Worked on many units install not tech. Need help.

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