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  1. #1
    Join Date
    Jan 2013
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    1
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    light blinks 3 times

    My heater doesn't work light blinks 3 times I've checked the vents and they are clear I also changed the pressure switch and still get 3 blinking lights. Help me clear this so my heater can work.
    Thank you

  2. #2
    Join Date
    Jul 2007
    Location
    Mount Airy, MD
    Posts
    7,282
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    Thread relocated to AOP

  3. #3
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    8,616
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    What's the model and serial number of unit?

  4. #4
    Join Date
    May 2009
    Location
    Cumming, GA
    Posts
    1,635
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    No DIY advice. Call a professional. Do not attempt any other repairs yourself - you could hurt yourself, your family, or your equipment.

    If you need help finding a contractor in your area. Use the contractor locator map on this site.

  5. #5
    Join Date
    Dec 2002
    Location
    Houston,Tx.
    Posts
    16,154
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    Quote Originally Posted by nevets1215 View Post
    I also changed the pressure switch and still get 3 blinking lights. Help me clear this so my heater can work.
    Thank you
    Why did you change the pressure switch? There are more false codes related to it being the pressure switch than any other, it's almost like when the board can't figure it out, it just says it the pressure switch.
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