Question about Carrier 38CKC036 Air Conditioner

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Carrier 38CKC036 compressor will not cycle after initial run.

When i turn the unit on it will cycle for the first event and as normal. Once room temp calls for cooling the condenser fan will come on but the compressor will not. Contactor is energized so i think it may be the pressure on the high side is not equal to the low side? it takes about 30 minutes before the compressor will come back on. Unit is 10 years old, should I just replace it with a newer unit?

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Does it have a low pressure switch. It sounds like it is a pressure switch issue

Posted on May 17, 2014

Testimonial: "Well it turned out to be the capacitor for the compressor. Thanks again for everyones help on this site."

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Posted on Jan 02, 2017

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  • 82 Answers

SOURCE: I have a Carrier 38CKC036 Air Conditioner

Hello, this is one of 2 items...the motor itself, or the start capacitor. The capacitor is responsible for boosting the motor to get it started. Follow the wires from the motor and they will lead to an oval or round cylinder. Check the cylinder for any bulging or leaking oil. When the motor should be running, reach in with a stick or ruler and try to assist the fan to get going. If the it feels resistant...it is most likely bd motor. If it trys to start and feels smooth it is most likely capacitor.

Posted on May 13, 2010

Testimonial: "It was the capacitor."

james3751
  • 614 Answers

SOURCE: Possible Contactor Issue

Sounds like a bad fan switch in your unit. That unit has a fan board in it that is time delay on and off. Turn the fan to the on position and let it run all the time. If it keeps temp and does not shut off it is the fan realy board. The board also controls the compressor. Check that first and then the tsat. Russ

Posted on Jul 24, 2009

  • 148 Answers

SOURCE: UNIT RUNS AN EXCESSIVE AMOUNT OF TIME AND AIR IS

DOES THE HOUSE FEEL DRIER IF IT IS 80 OUTSIDE WITH ALOT OF HUMIDITY THE UNIT WILL RUN FOR A LONG TIME TO REMOVE THE MOISTURE(HUMIDITY) OUT OF THE HOUSE BEFORE TEMP DROPS DRAMATICALLY IS THERE WATER COMING OUT OF THE DRAIN PIPE OUTSIDE

Posted on May 03, 2009

SOURCE: 24ABR348A0031010 compressor starts then stops.

Hello RR Hard start can't hurt BUT dosen't sound like the problem.Do you have a scroll compressor?They don't need a kit.Does it start every time?It could be short cycling on LOW PRESSURE SWITCH.If the unit is (pumping down) during the run time you have a restriction in the system.Make sure the service valves are open ,do you have a filter dryer colgging up or a bad TXV valve also could cause short run times.20-30 PSI the switch cuts out.

Posted on Jul 15, 2010

  • 157 Answers

SOURCE: I have a Carrier 38CKC036

Yes, you need a new fan capacitor, assuming its wired correctly. don't let compressor run without fan

Posted on Jun 22, 2011

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Sounds like a bad fan switch in your unit. That unit has a fan board in it that is time delay on and off. Turn the fan to the on position and let it run all the time. If it keeps temp and does not shut off it is the fan realy board. The board also controls the compressor. Check that first and then the tsat. Russ

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