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-   -   Day night furnace not coming on (https://www.askmehelpdesk.com/showthread.php?t=789028)

  • Apr 7, 2014, 08:00 PM
    lwlight
    Day night furnace not coming on
    My furnace/ac has stopped coming on. The sensor light is blinking code 24 which says it is a possible reversed polarity or a short in the 24v. What do I need to check?

    Thanks

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