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code 31
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  1. HVAC
    Hi, After 10 years, my Bryant Evolution Plus 95i was shut down due to heat exchanger failure. I had it replaced by a HVAC Co. After the replacement it seemed work well when the tech was at the site. But after the house temperature reached the thermostat number, the durance stopped running and...
  2. HVAC
    Having trouble with the pressure switch .. Ill give a brief history on this unit which may help in diagnosing this problem . Unit installed by professionals in 1996. Only had one repair also by installers ..a new blower motor in 2007. At that time the tech showed me how to do a little...
  3. HVAC
    I am receiving error code 31 on my new Carrier Comfort 92. Background; I am doing demolition in the house. A condensation pump was installed with the line running upstairs because there is no drain in the basement. I cut the condensation line for the demo and put the tube in a large mason...
  4. HVAC
    What a terriffic website! Tried searching for help, but thought maybe my case was a little different. My carrier furnace is yeilding a LED code 31 after multiple turnoffs and turnons. Tried fuse switching and had some duct cleaners out who cleaned out a lot of stuff (recently flipped house)...
  5. HVAC
    My Payne furnace is toast. The board lights up with code 31. I noticed that there are two fan motors, One small one, and One big one. The Big fan starts first works for about 2 minutes then shuts off. Then the small fan starts spinning and nothing happens after that. I was told that some...
  6. HVAC
    Ok lets start by saying I am a single 27 yr. old female so make it simple! I have a Carrier 9000. So yesterday turned on the heat and only cold air was coming out of the vents. Then today the furnace wouldnt stay on. So I did the reset a couple times, and nothing. The code is reading 31. Well...
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