Question about Carrier 38CKC036 Air Conditioner

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Blowing hot air fan not turning outside making a humming noise

I can hear that the unit is trying to start but the fan is not turning and the unit is making a humming noise and seem like it is putting off heat

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  • Shannon Rush Jul 11, 2013

    It is blowing cold air like always but with a humm.

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  • Contributor
  • 25 Answers

Replace the run capacitor. It is a silver cylindrical object located in the electical compartment of you outside unit. There is most likely three places on the top where different color wires are attached. One is marked F,or Fan. The center should be marked C, or Common, and the last should be marked Herm, with wiring to the compressor. Make sure you write down or label each wire you remove and it's correct location. They must be installed on the new part just like they were on the defective part. For you to know which dual run capacitor you need, the old one will have printed on the side either 370, or 440 v,as in volts. You must also need to know the microfarad rating and it is also printed on the side with the voltage rating. Since this is most likely a dual(runs fan and compressor) you should see two ratings abbreviated as mfd. Something like a 5mfd for the fan motor and perhaps a 35 mfd for the compressor. CAUTION !!! This device has line voltage and you must insure the power is off at the disconnect/ breaker BEFORE you begin the repair. Sounds complicated but really only takes a few minutes. The main thing is getting the right mfd and voltage ratings for the new part and keeping a record of where the wires were mounted on the old one, and putting them back the same place on the new part.

Posted on Jun 18, 2009

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  • Master
  • 614 Answers

You have a bad fan motor of fan capacitor. Call service tech. Capacitor cost + service about 130. Fan motror depending about 250.00 Rus

Posted on Jun 18, 2009

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Posted on Jan 02, 2017

  • 1033 Answers

SOURCE: A/C suddenly started blowing hot

Hello, sounds like a bad fan capacitor. Check out the capacitor does it look swollen or bulged?

Posted on May 31, 2011

panilling9
  • 284 Answers

SOURCE: heat pump not running

check your house circuit breakers first that should be labeled heatpump or outdoor unit
make sure it is on and or not tripped
then if you have a box outside near the outdoor unit open it up and see if there is a breaker or maybe fuses that could be blown

Posted on May 26, 2009

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1 Answer

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