Question about Carrier 38CKC036 Air Conditioner

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Carrier package unit. 48SS series. Condenser fan continuously runs even when T-stat is off.

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Hi,
The one side of the contacotr in the condenser electrical box is welded closed...

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Air Conditioner Trouble - Review the Possibilities

heatman101

Posted on Sep 08, 2010

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Posted on Jan 02, 2017

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I have a carrier 48nlx024 I replaced the fan control board and the fan comes on by itself when t stat is off


Do you have a "circ" feature on your tstat? This will periodically bring the fan on to circulate air. Be sure you are on auto. Is the fan running continuously? Possibly have relay backwards.

Sep 02, 2017 | Carrier Heating & Cooling

1 Answer

When the heater is on, should the fan outside on top of the unit also be working along with the blower from the heater ? When the heater is off, cold air is comming from the vent's, can I cover the


No. This is strictly a gas package unit, not a heat pump. the condenser fan motor should NOT run when their is a call for heat from the thermostat. The condenser fan only runs with the compressor on a call for cooling. Hopefully the compressor is not running @ the same time, but if it is, it would make sense that the contactor for the compressor & condenser fan motor is stuck closed OR the low voltage cooling wires are shorted straight to a 24Volt control wire.

Jan 15, 2015 | Carrier Heating & Cooling

1 Answer

Condenser fan on heat pump does not turn off


If it is just the condenser fan that means you have a fan relay that has welded shut. Turn power off to your unit and trace the wires from your condenser fan back into the control panel at the unit. You'll have 3 wires going to it. 2 go to the run capacitor and one goes to the fan relay. The one that goes to the fan relay is the part that needs to be replaced. If you have no fan relay and it goes to the main contractor, half of your main contractor is welded shut and will need to be replaced.

Sep 18, 2014 | Carrier 52PQ-515---3 Premier Series Heat...

1 Answer

I have a carrier Day & Night a/c - heater unit. the model # 591ANX0480000ACAA, 208/230 volts. my blower fan stays on continuously, even after turning the thermostat off. the condenser fan does not come on...


If the blower fan in the furnace won't turn off, there is a tripped/blown limit. It's a safety. As for your condenser fan it could be a run cap or motor. Do yourself a favor and have a licensed HVAC contractor take a look. Find a NATE certified or ACCA member. You will find a much better more qualified contractor.

Sep 23, 2013 | Carrier Packaged A/c 3 Ton 13 Seer And...

1 Answer

Humidifier Running Continuously with Fan Blower


As long as the humidifier start/stop is regulated by air flow there is no way to cycle it on/off with another device. If, however you disconnect that capability and, instead wire it to the heat on cool on switch it will only turn on when the stat calls for heating or cooling. You may need to install an intermediate relay off the stat wires to regulate the different(assuming that they are) voltage of the humidifier start/stop.What a fun project, thanks!

Jan 22, 2013 | Humidifiers

1 Answer

Have a 48ss 036080311aa Carrier packaged unit , flame is rolling out and heat is going down on the overheat sensor, getting 7 flashes on the controler board


Hello my name is Heath it will be my pleasure to assit you. It sounds like the heat exchanger is plugged. Pull the burners and use a shop vac an clean the heat exhanger out real good use a brush if you have one long enough to brush the heat exchanger out.

Oct 08, 2010 | Carrier Heating & Cooling

2 Answers

AC Condenser motor will stop at 1pm but inside unit is still running but no AC. If I turn the AC unit breaker unit off and then an hour later turn it back on. The unit runs fine all day until 1pm. Had a...


Hi, the tech should have been able to figure the stat out with out a manual to see why the condenser is shutting off at 1:00 P.M. This is unusual for this to happen, unless it was winter and this is a heat-pump going into defrost, but just the fan would shut down. Does this unit have a box on it that was installed by your electric company that shuts the unit off during high peak conditions in the summer? This would cause it to shut down at the same time everyday. If not, it would have to be something in the thermostat that is set for it to shut off at that time. It still does not make since, as it would shut both the indoor and outdoor unit off, not just the condenser. Are you saying that just the condenser fan motor is shutting off, but the compressor continues to run until it shuts off on high head pressure when the fan stops, or does the complete outdoor unit shut down fan, compressor and all at that time??. It sounds to me like this outdoor unit has a time delay relay that has a fault in it may be shutting it off at this time daily? Please let me know if its just the condenser fan motor that shuts off, or if the complete unit is shutting off all together, this will help .
Sincerely,
Shastalaker7
A/C, Heating,

Sep 08, 2010 | Carrier 38CKC060 Air Conditioner

1 Answer

We require condenser fan motors for Interclisa Carrier package (rooftop) air conditioner model AAD 250 (1980's model) model. Air conditioner - supply voltage 380 Volts 50 Hz AC. Condenser fan motor voltage...


Hi, this is an odd voltage 380 volts. Is it a 3 phase unit? To get a 220 volt 50hz condenser fan motor, you will have to go through a refrigeration/air conditioning parts house and order this. 60hz you would have no problem finding one in stock. Carrier is a good unit, and have been around for many years. You shouldn't have any problems locating one.
Sincerely,
Shastalaker7
PS You will need to go through a wholesale parts house.

Jan 21, 2010 | Carrier Heating & Cooling

1 Answer

Ouside unit runs continuously, even if system is off


the contactor is stuck you might try killing the breaker to the condensing unit if it stops then it is the contactor

Oct 10, 2009 | Heating & Cooling

1 Answer

Central Air Conditioner


Turn the power to the indoor unit off. Remove the cover where the fan is. Feel the motor of the fan. If it is very hot the bearings have likely gone out. If the fan is cool to the touch I would call a service company because you likely have an electrical problem that will require some training to solve.

Jul 09, 2008 | Carrier 38CKC042 Air Conditioner

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