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

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Carrier Weathermaker SX

Water dripping from a tube on under the gas /pilot unit and dripping into electronics in the blower cabinet. Unit fires up and shuts off in a few min without heating the house

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  • Anonymous Dec 13, 2007

    I have a Carrier Weathermaker sx. The probem I have is that once every day or two, when the thermostat calls for heat the furnace purging fan will start and run for 30 seconds then the furnace shuts down. If I simply turn the thermostat down till it no longer calls for heat, then turn it back up the furnace will run normally. Enbridge (gas company) has replaced every electricl component to no avail. They have cleaned the water drain pipe and cleaned the inlet and outlet vent pipes. The problem has been ongoing for about a year. Any suggestions? P Johnson

  • Anonymous Nov 20, 2008

    Exact same problem as described, thermostat calls for heat, exhaust fan runs then shuts down. Cycle the thermostat down then up so it calls for heat again, furnace then runs fine. Had the ignitor module replaced for $200, that fixed nothing.



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If you are running it in the cooling function, your drain maybe backed up. Find your drain outside if you can and suck it with a shop vac.

Posted on Nov 28, 2007


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Heat exchanger replacement for carrier weathermaker 8000

After 18 years of service, it is not cost effective to just replace the heat exchanger. Go the complete replacement route. There may be a utility company incentive to do it.

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Rheem rp4036m

Under the gas valve is a removable panel. On models of that era there should also be a second panel behind the first. remove both.

the pilot light should be clearly visible.

If no pilot, turn the gas valve to OFF. wait 60 seconds. locate the tubes from the gas valve to the pilot location. turn the valve to pilot, and with a long match or grill lighter lit, place flame at the pilot location and press down on the pilot button beside the main valve.

pilot should light. If not shut off the gas and call a technician. If yes, hold the pilot button for 60 seconds, then slowly release. Pilot should stay lit. If not, shut off gas and replace thermocouple, start relight sequence over. If pilot stays lit, replace inner cover and adjust temp to 120 deg. If heater fires up, replace outer cover. Done.

If heater does not light, replace gas valve or entire unit. Water heaters have a limited life expectancy, and if my recollection is correct your unit is 10yrs past warranty.

Dec 04, 2013 | Water Water Heaters

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I have a Carrier Weathermaker SX HVAC unit with a Honeywell thermostat. Even if the thermostat is turned "off", my fan keeps blowing!

Hello, usually this is a sign of a bad blower relay on the intergrated control board. The only option is to replace the control board.

May 09, 2012 | Heating & Cooling

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Carrier weathermaker sx (model 58sx040-cc power vent motor and gas velve cylanoid are kicking in and out, do you know what i can do to fix this problem ??

I believe this is the furnace with a spark to light the pilot light. If so the best advice I can give is to replace the whole pilot assembly. There is a very old style flame sensor in there that is not serviceable. This has driven many a technician around the bend.

**NOTE: It is a real pain to get out, and back in. You need to take off the fire box cover and the panel underneath it to get it out. You also need to take the pilot tube off the gas valve. This may be something that you want to call a service tech for. It could be a little tricky and because you are dealing with gas, you want to make sure that it is put together correctly and safely.

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The pilot does not light in the furnace

I assume that this is a rather old unit if it still has a pilot light. If the pilot will not stay lit, genrally the thermocouple is the culprit, however it could be the gas valve as well.

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Carrier Weathermaker SX (model 58SX100)

There is a small tube that comes off the inducer for cracks or water. If there are cracks then the pressure switch that it is attached to may not be closing all of the time. Also sometimes you can get water in that tubing which will also cause the pressure switch to not close. If thats the case shorten the tube so there is no low droop in it where water can collect. Another thing that I would do is disconnect the tube at the indicer, take a straightened out paper clip or stiff wire and poke it in the nipple on the inducer to make sure it is clear too. Let me know if any of these work. There may be other things we can do.

Jan 19, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

1 Answer

Carrier Weathermaker SX model 58SX060-CC Blower runs all the time

Remove all power from the furnace, it is likely the brain in the furnace is need of being reset, from the battery replacement, why did you change the battery, was there an indicator telling you to change it?

Many times just removing all the power to the furnace will do the trick with a reset, if not let me know and we will go from there, but it sounds like the main brain is confused or bad, more likely confused, so try the power removed first.

Than let me know

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1 Answer

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It sounds like your drain line may be partially plugged. Some times a small insect will get in there and cause a partial obstruction. IF the line is clear and the water continues to drip over the sides then make sure the unit is balanced So that the water will flow to the drain and not out the back.

Jun 18, 2008 | Carrier XHB123D X/Y Series Heat/Cool Air...

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Weathermaker SX Carrier 58SX060-cc-1

Your blower motor may have failed. Check the blower motor for the air circulation and you may find it is hot but not running. Have the motor replaced if this is the case.

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Carrier weathermaker sx 58 furnace

I have serviced these furnaces for 20 years and I can tell you most of these models did not have diagnostic lite on them. (although some did, especially if the control board has been replaced) The problem is most likely a bad 3 wire pilot. This will cause exactly what you describe. 2 things to consider though. 1, If you were to replace the pilot don't get a cheaper knockoff. In my experience these do not last long at all. Get the right one from a carrier dealer. It will cost more but be much more reliable. 2 What is the condition of the secondary heat exchanger? Most if not all of the sx series had issues with the secondary heat exchangers rotting out and leaking. If the furnace is out of warranty you would be much better replacing the furnace as the cost of replacing the secondary heat exchanger will probably be almost the same as a new furnace. ( those babies are EXPENSIVE!)

Dec 17, 2007 | Heating & Cooling

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