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

    Jan 29, 2010, 04:07 PM
    Ruud furnace circuit board blinking codes
    Circuit board led has two quick blinks and pauses so on and so on
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Jan 29, 2010, 04:43 PM

    On the inside of the blower compartment cover, there should be a list of codes. From memory, I'm thinking yours will say pressure switch open. Let me know what it says and we will try to help.
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