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Year carrier 38ykc036300

Outdoor fan stopped working in excessive heat

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 306 Answers

SOURCE: My Carrier Model Number is 38YKC036300. What is

68 psi and depends on the outside air temp. for the high side but around 250 psi.

Posted on Jul 11, 2009

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  • 4 Answers

SOURCE: Carrier AC fan not working right

it sounds like the capacitor is shot there is usually a duel capacitor one side is for the compressor and the other side is for the condensor fan motor if it is bad the motor will over heat and turn off on internal overload

Posted on Aug 25, 2009

  • 358 Answers

SOURCE: air filter size?

You have to messure at the bottom of the air handler (inside unit) the width and the deep(from the front to the back).

Posted on Sep 26, 2009

  • 12 Answers

SOURCE: Hi I have a carrier

Sounds like you have a blockage or a bad check valve. May also have an incorrect refrigerant charge.

Posted on May 25, 2011

hvac1
  • 338 Answers

SOURCE: My carrier split unit carrier

could be the run cap but also could be motor windings are getting weak. I would replace both the cap and the fan motor for preventive reasons.

Posted on Aug 02, 2011

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1 Answer

What to do with carrier infinity ac fault code 81


"Low capacity thermal lockout"#81. What this tells me is your 1st stage cooling(low capacity) is locked out for 4 he's due to a dirty outdoor coil, weak outdoor fan motor run capacitor, slow outdoor fan motor, overcharged with freon, restricted or short cycling outdoor airflow(overheating), damaged discharge temp switch, faulty outdoor circuit board. That's all the scenarios I can think of for now. Hope this helps!

Aug 24, 2017 | Carrier Heating & Cooling

1 Answer

There is a loud humming coming from outside unit, the fan is not rotating.


Your question does not include what type of system you are asking about, but the assumption is that it is a heat pump. The loud humming is the compressor running by itself while the fan is off.

This is the typical way a reasonably new heat pump operates:
There is a coil temperature sensor that initiates a defrost period to eliminate the frost/ice build up on the outdoor coil. In the defrost mode, the outdoor fan shuts off and the reversing valve in the heat pump reverses the direction of refrigerant flow to warm the outdoor coil. The same coil temperature sensor senses the temperature of the external surface of the coil and tells the defrost control when the frost is gone initiating another 'reverse cycle' to put it back into heating mode. In the heating mode, the outdoor fan runs again.

If you have the heat pump installed where snow drifts accumulate, you will have a problem extracting heat from the outdoor air, and coil frosting and freezing will be exaggerated. If you have excessive ice build up due to a defosting issue, the ice can actually stop the fan from rotating, but you would hear loud bangind and rattling for hours first as the fan blades come in contact with the ice.

If you do not have drifts, but continually have an excessive amount of ice build up, either the sensor is possibly faulty or the defrost control board is faulty. The sensor's clip could easily have been knocked loose from the coil by ice and is no longer sensing coil temperature and if so the result would be the lack of defrost initiation.

Feb 13, 2015 | Heating & Cooling

2 Answers

My Carrier Tech 2000ss.The fan on the unit outside runs continuosly.The heat and cold work just fine,but the out side fan never stops.I was told ,that it is probably a relay switch.Tell me what you think.


Sounds like the fan relay is stuck and staying on so that the fan continually spins. Pretty common issue and shouldnt be to much for a tech to replace. If you do the job, just make sure that you get the right part. Parts house will need serial and model number for the unit

May 24, 2011 | Carrier Heating & Cooling

1 Answer

I have a 25 year old aicondition unit. Yesterday the fan on the outdoor unit stop working. I checked the fuses and found one blown I replaced the fuse but the fan did not come on. Is there a delay timer?...


Your problem could be several things. It is hard to say without looking at it, but here are some things you can check. First try turning the fan by hand and see if it spins freely. Check the fan capacitor. Check the contactor which will also cause the compressor not to run. The fan motor could be burnt out. There are plenty of things to check. Also you have a 25 year old unit which means its probably close to the end of it's usefulness.

Aug 10, 2010 | Carrier Heating & Cooling

1 Answer

Air filter size?


You have to messure at the bottom of the air handler (inside unit) the width and the deep(from the front to the back).

Sep 25, 2009 | Carrier Heating & Cooling

1 Answer

Carrier AC fan not working right


it sounds like the capacitor is shot there is usually a duel capacitor one side is for the compressor and the other side is for the condensor fan motor if it is bad the motor will over heat and turn off on internal overload

Aug 25, 2009 | Heating & Cooling

1 Answer

My Carrier Model Number is 38YKC036300. What is


68 psi and depends on the outside air temp. for the high side but around 250 psi.

Jul 11, 2009 | Carrier Heating & Cooling

1 Answer

UNIT RUN FOR APPROX 1HR. THEN OUTSIDE FAN STOPS RUNNING AND STARTS HUMMING


whats going on is your outdoor fan motor is over amping itself and causing it to go into heat overload shutting down the fan. It needs to be replaced

Jun 10, 2009 | Carrier Heating & Cooling

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