Question about Carrier XHB123D X/Y Series Heat/Cool Air Conditioner

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I am looking for a part for my furnace, but i am not entirely sure the name of the part... this makes it very hard to find this part and we have no heat.

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  • aquila-mm07 Jan 02, 2009

    Germz1979, your heater seems to have a newer part number than mine but they all basically have limited and similar parts. Additionally, they are well marked and readily visible assuming you have enough light. Most of the time it's the thermostat that dies as many of the newer ones are made in China and have lower cost parts. After that, it's either the pilot igniter system and/or the main gas valve. If the ignition system is a Honeywell go to Carrier's, or Honeywell's website and search for Intermittent Pilot Gas Burner Ignition System.

  • Farley Redfield
    Farley Redfield May 11, 2010

    Judging from the date he must ahve fixed this by now....

  • Danny Clark
    Danny Clark May 11, 2010

    OK, so describe the part and what it does and I'll help you figure out what you need.

    Also tell me what the unit is doing/not doing.


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Please pull burner compartment panel off and look for manufacturer
Ydecal. This will provide manufacturer name, model and serial number.
You should now be able to locate parts through local H.V.A.C.
wholesaler but they may not sell direct to you unless licensed.

Posted on Aug 04, 2009

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How do i read american standard freedom 90 error codes

can you look thru the small circle window of the cover of the furnace panel? to see the red light on the furnace control board. If you can see it. Count the blinks of the light. Also keep track if they are long flashes or short quick flashes. they might be 2 long flashes and 1 short or 5 short and 2 quick. After you determine the flashes or the sequence of the flashes. take the cover off the unit and look on the inside panel of the blower door. it should give you the code sequence of the problem you are having on the legend of the wiring diagram. or if there is no legend or wiring diagram on the inside panel of the blower door. it will be in the paper work or unit information package paperwork that came with the unit. If you don't have that. You would need to get the model number of the furnace from inside the furnace. the model number is usually inside the blower door or it could be close to the burners of the furnace itself. if you don't have the wiring diagram or the paper work. then you will need the model number for sure. I think you can go to American and look thru their online library of unit specs to get that info. to look thru their library you have to have the exact model number or I believe at least the first few numbers of it. Not sure how many of the first few you need to have. if you cant find the info and have the model number. Give it to me & I will find it for you. Or see if I can find it? I think is were it is. Or at the American Standard home AC & Furnaces home page you can search for it. It shouldn't be too hard to find. Or another way would be to call a American Standard parts or unit vendor and tell them your name is Dave or some other common name. And that you work for sears or some other large company like that or a large company in your area. And that you need tech support to get you the code info for that specific unit. If you call when they are busy they usually wont verify the company info or that you do work their. just hearing the company name, they will think you work for that place and get you the info. At most wholesalers they are just trying to make sure they aren't talking to a home owner or a regular person. when they hear a company name they will give you the info you need or tell you were to get it. Also its a good idea to be prepared when you give a company name that you work for or that you don't really work for. the guy on the phone will ask for the name of the company you work for. My name is Dave & I work for sears service. the one on Broadway Road (give them the address and or phone number) of the place. Some places use the phone number of the service place to look up their account and they will have a list of names and want you the verify the address or the phone number. Works good for getting info about a unit that you cant find any info anywhere else. But trying to get parts that way doesn't usually work unless you know how to do it. I would say but not sure these guys on fixya would be okay with that. Hope they don't have a problem with me saying how to get info from a vendor about a trouble code or where info for a code can be found. if they don't like it I am sure I will find out soon enough. and hopefully they will give me another try at this before taking any actions on me or on me being on here.

hope I was of some help to you. if you haven't already figured it out or if no one else has tried to answer your question.

Apr 06, 2013 | American Standard Heating & Cooling


How to find Air Conditioning, Heating and Furnace parts online.

You have checked out your furnace and you know what the problem is. It may be a simple ignitor, or a pressure switch. The part will be very easy to change, but what is the best way to find and purchase the part online?

The best way to find your part is to know what to search for. To do a search you want to keep your search as simple and direct as possible. A generic search for “furnace parts” will give you many options. However you can narrow things down greatly by search for a brand name and parts. Something like “tempstar parts” will give you many suppliers that carry parts for Tempstar furnaces. The same thing goes for air conditioners. Just search for the brand name and parts and you will find the parts for heating products and air conditioning products.

When you get to the different suppliers website, then simply enter the model number and often the serial number into the appropriate boxes and you will get a menu of parts to choose from. If you are in a hurry for the part you can get next day shipping for an extra cost. The costs also include priority handling so that you part gets shipped that day instead of a couple of days later.

When looking for a part, make sure also to check a couple of different websites. Different websites will have the lowest pricing on different parts. Don’t ever assume that just because on website had the lowest price on one part that they will be the lowest for the next part that you need. Always comparison shop, it will same you money.

on Jan 31, 2010 | Heating & Cooling

1 Answer

Furnance fan works,but the burnrs won't ignite

Hello my name is Heath it will be my pleasure to assist you. First thing to do is go to the furnace and look in the small peep hole in the lower blower door and see if there is an led light that is flashing a certain number of blinks record the number and look for a diagnostic chart on the inside of the blower door or the upper side panel of the furnace if there is no flash code present you can try resetting the power to the furnace and see if the furnace will fire up.

Sep 19, 2011 | Heating & Cooling

2 Answers

Furnace works good,but when it shuts off there is a bang that can be heard through out the house

The bang is the ductwork contracting somewhere...finding that can be difficult and getting to it to fix it may be very hard...
The metal is snapping back into shape after being pushed apart by the air maybe able to help it by making sure that all of the air vents are open so the duct does not build so much pressure inside...


Apr 16, 2011 | Heating & Cooling

1 Answer

I too have the BDP 518A036CC and recently had a service technician tell me that my furnace was shot because a couple of the ducts had clogged over and that flames where coming out of the front of my...

just a thought. Above most burners in furnaces there is a heat exchanger. If the are filters are not changed often enough and if everything does not fit exactly right then the fins on the heat exchanger will get clogged with lint and such. The exchanger looks like a car radiator. If the flow of heat can not easily move up through this exchanger then each time the furnace turns on the flames may burst out the front. I'd take apart your furnace. The exchanger is only a few feet above the flames. Take of the door and see what it looks like. You may be able to clean all the fins off and find that the furnace still works ok. But make sure you get them very clean and make sure you don't damage the fins. Then make sure you can have an extinguisher handy and test the unit. Just be very careful about assuming it is ok. Turn it up and down many time so that you see it turn on and off many times. There are many sizes and many different types so if you need to replace it you must choose wisely. And yes you can just replace that component. One other thought, you may find that replacing the whole unit will only be 1/4 more and if so the improved efficiency of a newer unit will pay for the difference in just a couple of years.

Sep 20, 2010 | Amana Comfort Zone 12M32PBEH Air...

1 Answer

Fan is continuously running, even when turned off at the thermostat. vents blowing hot air.

Hello my name is Heath it will be my pleasure to assist you. The first thing to check is make sure the thermostat fan switch is set to auto instead of on. The next thing would be the High limit in the furnace or the rollout. If there is a sight glass on the bottom door of the furnace check to see if there is a flash code in the furnace then check it to the plate inside that has the flash code diagnosis chart.

Aug 17, 2010 | Goodman CKL24AR24 Air Conditioner

2 Answers

Furnace seems starved for air

Make sure the filter did not get sucked into the fan. Open up all registers both supply and return. Check the ductwork for butterfly dampers that may have vibrated close. Move all furnature and rugs away from return air grills.

Dec 29, 2009 | Weather King 12AJA4801AH Air Conditioner

1 Answer

Pilot light on furnace wont start

Make sure your cleaning company didn't shut off the furnace at its disconnect located on or adjacent to and forgot to turn it back on. Other than that nothing they did should have effected the furnace unless they cleaned the furnace too and maybe left the blower door loose so the door switch can't connect.

May 03, 2009 | Heating & Cooling

1 Answer

Carrier Weathermaker 8000 turns off intermittently

You can find what the error code is by looking on the inside of the bloewr panel. If it is still there after all these years there is a code list right around the wiring diagram. If my memory serves me correctly it is a limit problem. But be for sure and check the code sheet.

Feb 15, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Tstat wiring

Thanks for your Question,
one of two possiblities, first and most likely is that you have blown the Transformer in the Furnace, second would be that you have blown the small car fuse that is on the circuit board in the furnace, if you look really hard you will find it, it looks like an automotive fuse, should be about three amps, if it is the fuse, then its a simple fix, make sure the power is off, replace the fuse, if its the transformer, a little more involved work is needed, but still should be pretty straight forword, and again, please make sure the power is off when replacing, hope that helped ! please be sure to come back and let us know how I did for ya, thanks again,

Jan 22, 2009 | Goodman CLQ36AR49 Air Conditioner

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