Question about Ruud UBHC Air Conditioner

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Ruud 90+ I am getting a code off the board. The code is 4 blinking lights off of the top light in the circuit board. What does this signify?. Furnace will not operate.

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  • bigdaddy8076 Apr 26, 2008

    Got the problem fixed. Was the furnace unit, not heat pump. Pressure switch was stuck.

    Thanks

  • Brent Kahl May 11, 2010

    Need more information, is the unit a heat pump, is the board on the fan unit or the out door unit? Is this a split system or a package system (all in one outdoors)?

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Removed the flex hoses from the pressure sensors and reinstalled them. Unit reset and now works perfectly.

Posted on Apr 27, 2008

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