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carrier 9200
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  1. HVAC
    Today I noticed that my thermostat was set at 70 and it was 75 in the house. I went outside and the outdoor unit was working, I went into the attic and the blower motor was also working. But the furnace fan was not working. The light in the unit was not flashing or sending any codes.From the...
  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
    Hi I have a Carrier Weathermaker 9200 Ultra High Efficiency furnace. I can't find the model number. The problem is that the blower sometimes occasionally doesn't come on and just makes a buzzing/humming noise. I've been researching this and have turned the furnace off and on and sometimes...
  4. HVAC
    I'm trying to diagnose an issue that I'm having with a furnace but I can't tell what I should be doing next. I have a Carrier WeatherMaker 9200 that had been running fine for a while, but it had been in the basement so it hadn't been on for a while. We had a very mild winter last year so the...
  5. HVAC
    Looking to replace the complete draft inducer assembly in a Carrier 58MXA. Is it necessary to disconnect the gas line to the gas valve to preform this task? Looks like it's not necessary to do so.
  6. HVAC
    I had my furnace limit switch go out a year ago and had a service tech replace it. Last week the same thing happened, i am told it was because I had a dirty filter(which I probably did, I am doing some drywalling, sanding etc in my house, lots of white dust). I replaced the limit switch again...
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