Question about Carrier 38CKC036 Air Conditioner

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Fan not working

Last night our central air stopped working I hear a humm but it is not coming from the fan motor? Fan turn freely

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  • Anonymous Oct 11, 2008

    Same problem... The air fan will not turn on; on auto or fan only. The fan will work if jumpered. I am thinking it is the fan control or thermostat?!?!

    (I can here the compressor turn on)

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  • 41 Answers

The humm could be the contactor check the breaker for the out side unit or see that you have power at the unit dan

Posted on Jul 19, 2008

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1 Answer

I addred coolant to the AC unit a few weeks ago and it has been running fine until last night. I went to check the pressure and make sure the line was not frozen this morning since the indoor air climbed...


Hi,
It is just coincidental that the fan motor died now...
Replace the condenser fan motor and you will be good again...

Here is a tip about troubleshooting your airconditioner...
There are many things that can cause your air conditioner not to cool...

AirConditioner Trouble - Review the Possibilities

heatman101

Apr 20, 2011 | Carrier 38CKC036 Air Conditioner

1 Answer

Lennox central air for home not kicking on. Fan on the outside not spinning but motor is making a humming noise. No cold air coming in home. We have circuit breakers they are turn to the on position. ...


Is the indoor fan working? The problem with the outdoor fan sounds like it could be your capacitor. Turn off the power to the outdoor unit and make sure the fan turns freely using a screwdriver or something that will reach the blades. If it turns freely then it is probably the capacitor. Let me know what you find.

Aug 25, 2010 | Goodman CLT36AER36 Air Conditioner

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Almost no air comes from the ac vents but fan is on high. This happens on auto and also on econ.


The 1992 was prior to Buick putting cabin air filters in so there is not a possibility it is clogged. So more than likely your blower motor is going bad or your fan control switch is bad. Does this problem occur with heating as well as AC? Does it change if you switch between blowing on floor, face, window(defrost) If it doesnt change based on location of blow and type of air temp then I would start by turning fan on high and placing head (ear ) against dash in center of console area. Have someone turn fan knob from low to high with engine OFF...After goign from low to high and back a few times you can see if the blower motor is responding to signal from switch. Listen for a whine, squeal, rattle, or humm. A whine or Humm would indicate a bad blower motor... Squeal or rattle a bad squirrel cage/fan blower blades. If you hear no noise and no perceivable change in blower speed/noise then its possible your switch is bad. Unfortunately the only way to definitely diagnose either is to pull the switch from dash and use multimeter to test for voltage change and for blower motor to pull dash. There is a digital control unit for your car as well. Although rare sometimes the wires on this can loosen or it can go bad. But since you didnt state teh fan wasnt working at all and you are getting cool air, that woudl be teh last thing to check

Jun 06, 2010 | 1992 Buick Park Avenue

1 Answer

Re: Kenmore Plasmaire air conditioner; suddenly stopped working during night. Motor will initially turn on but no air coming through, then will stop


Most likely you have a bad fan,did you have a storm or lighting strike or power drop / outage .
These type of things can cause trouble with a weak electrical part - not know the age of the Unit - you claim it happen in the middle of the night - if the fan Humms and cut outit could be a cap. that helps you fan start - but the fan is damaged if it tryed to start time and time again . Call service if the unit is worth it .

Jul 17, 2009 | Heating & Cooling

1 Answer

Air Conditioner Compressor Fan Quit


Check the start capacitor. You may be able to see visual deformaty, otherwise, use a meter. The buzzing is most likely the contactors closing which uses a seperate 24v supply..

Jun 26, 2009 | Kenmore Heating & Cooling

1 Answer

My a/c system is blowing hot air; outside fan is not engaging


First check for line voltage 240v...if thats good .check for burnt wiring at fan capacitor.if you hear the compressor humming but still no fan you may need a fan motor.. when buying your new motor make sure to match horsepower and r.p.m

Jun 22, 2009 | Weather King 10AJA3601AH Air Conditioner

1 Answer

My central air pooched last night.... I am hot and miserable... LOL but anyways... the outside unit makes a noise when I turn it on but the FAN does not spin at all.... any idea what it might be?


depending where the noise is coming from. If you can be next to the unit as it starts see if the noise is coming from the fan or control panel (where the electric is going into) and how loud is it. I would venture to say that it is probably the fan motor, you will hear it if you are there.

Jun 17, 2009 | Carrier Heating & Cooling

2 Answers

AC fan inoperative


I assume you are talking about the condenser fan motor. These fractional horsepower motors are not expensive and have a service life. Unless yours is equipped with oiler plugs (some are), it's best to just replace the motor.

Apr 28, 2009 | Heating & Cooling

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