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I have a Carrier Infinity Furnace and Air Conditioner. I have a problem heating and cooling the second story of my house. I seems like there is very little air flow. Any way to force more air up to the second story

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There are booster fans you can install in the ductwork or you can damper down the first floor to bulid up more pressure for second floor

Posted on Jun 25, 2009

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We have a Carrier Infinity 96 furnace in our home, which was installed brand new in our house we built 5 years ago and this thing is a nightmare. We've had the code blinking away and and the technician in...


EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH THE FIRST DIGIT DETERMINED BY THE
NUMBER OF SHORT FLASHES AND THE SECOND DIGIT BY THE NUMBER OF LONG FLASHES.

43 LOW-HEAT PRESSURE SWITCH OPEN WHILE MEDIUM-HEAT PRESSURE SWITCH IS CLOSED - Check for:

- Low inlet gas pressure (if LGPS used).

- Plugged condensate drain.

- Improper pressure switch wiring.

- Water in vent piping, possible sagging pipe.

- Stuck open low-heat pressure switch.
- Disconnected or obstructed pressure tubing.

Mar 28, 2011 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Hi there, I have a carrier 96 furnace that when the heat is turned on it runs normal for a while but then the comm light on the mother board starts to flicker and then the heat shuts off. There seems to...


It may be tripping the high temperature limit sensor. Check the flashing light error code to see whether it may be related to the limit switch. If so, have a technician use a thermocouple to measure the air temperature rise from the air intake to the air outlet of the furnace. Compare that the rated temperature rise of the furnace. If it's too high, You may have inadequate air flow. That could be due to an air filter that is too dirty or restrictive, or too many vents closed in the house, or inadequate ducting. It also could be that the blower is set to run at too low a speed. In my house this was the case. We had to rewire the connection to the blower to bump it up to high speed. This brought the temperature rise down to about the middle of the rated range, and now the furnace stops shutting off prematurely.

Jan 31, 2011 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

We had a new Carrier Weathermaker Infinity Gas Furnace installed in our home on 9-21-99.The Carrier people said the furnace was in good condition this past October.But prior to that as of April 2010 the...


Your Carrier guys more than likely are Carrier dealers. I would get a second opinion. Most qualified HVAC techs can work on any and all brands. It doesn't need to be a Carrier dealer to work on a Carrier. AND, if they replaced the control board and didn't test the heat, that's a fault on their part. Anytime we change a board or even a thermostat, we check ALL modes and functions. SECOND OPINION!!!

Mar 10, 2017 | Heating & Cooling

1 Answer

I have a Carrier Infinity 96 gas furnace with no heat


That means that the furnace is throwing a code to trouble shoot whats wrong. Most of the time, furnaces will have a code list on the inside of the door cover to explain what each code means, some of them don't. Its hard to say what it could be without knowing where to start. However, answering a few questions with someone knowledgeable over the phone if possible could help speed things up, but it would involve you being at the furnace and seeing what happens before it throws the code. If you do have a code list, this would help tremendously.

Feb 03, 2010 | Carrier XHB123D X/Y Series Heat/Cool Air...

2 Answers

Problem with new Carrier Infinity 96 gas furnace


carrier infinity 96 furnace went to turn down the thermostat and their was no power to it and the furnace doesnt run

Nov 14, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Carrier air conditioner cycles on and off


The compressor/condenser is being called all the time. The reason it goes off is because the evaporator (indoors) freezes up when the fan is told to turn off by the thermostat. This further cooling lowers the low side pressure below the low limit switch point turning off the compressor unit.
Solution: Make sure the thermostat is wired correctly. Green wire is usually the compressor wire but maybe not.

Jun 17, 2009 | Carrier 38BRC036 Air Conditioner

1 Answer

Furnace runs but won't ignite.


Error code 12 is blower on after power up. Meaning: after you turn on power to the furnace for aprox. 60-90 seconds the blower will run. The blower should then shut down and the furnace should go through the start up process, providing that the thermostat is set for and calling for heat. If the furnace fails to start after blower shut down there should be a new fault/error code. However if the blower continues to run longer then 90 seconds and continues with the same fault code more then likely the circuit board is bad. Please let me know if this was helpful and give me a rating. Good luck.

Feb 08, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Carrier Gas Furnace


There is no pilot light, its electronic start now.
like your stove should be.
you can trigger the furnace by shorting out the correct combo on the thermostat but not advised unless you know the right ones.
be sure the power is on the the transformer that provides power to the thermostat.
though that may be contained within the furnace now days.
just check your fuse box and call a tech.

Jan 26, 2008 | Carrier XHB123D X/Y Series Heat/Cool Air...

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