Question about Carrier 38CKC042 Air Conditioner

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Okay I have a 14 sear two zone carrier ac since it was cool in florida the last month the system was off we turned it on earler in the week and the condenstate line was cloged no big deal i blew them both out. but one zone will not clear. even though i can run water thru the drain line to the outside no problem solid stream. when i put the float switch back in the pvc it flood and shuts down?

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Sounds like a stuck float switch

Posted on Jan 10, 2009

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MY AC WORKS FOR FOUR HOURS PER DAY AND BARELY COOLS DOWN THE HOUSE, NOT MUCH AIR COMING UP TO THE UPSTAIRS OF THE HOUSE. AFTER 4 HOURS, THE OUTSIDE UNIT SHUTS UP AND NOT MORE COOL AIR COMES IN. BEFORE THIS...


I am not understanding exactly what is happening with your unit. You say it only runs for 4 hours a day and then say that after 4 hours the outside unit shut off. But you don't describe the condition of the outside unit! Is there ice on your outside unit after it runs for four hours or is it so hot that the housing would fry an egg? Since it works for four hours and then stops working, I would guess that ice forms on the condenser grill which tells the thermostat that your air is much colder than it actually is. Then it takes time for the ice to melt off again. Am I close? If so this condition is usually caused by your unit being low on freon making everything work harder. But it could also mean that you have a leak in the system somewhere. But it shouldn't be much of a leak or it wouldn't run for the 4 hours.
I would recommend you charge it to the correct level and then check for leaks.

Aug 03, 2011 | Carrier 38CKC060 Air Conditioner

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I had Ruud heating and cooling installed five years ago. Last summer my electric bill doubled when I began running my air conditioner. It did not do that the first few years that we were in this house. ...


Hello In a way you are stuck with what is called a S.E.E.R. rating which is a statement of efficiency from the manufacturer.Ex: a 10seer is less electricity to run than a 14 seer.The model # would have told me the seer rating.A 4 ton `1 zone is a large unit but even a 10 seer 4 ton is never cost prohibitive to operate and Never doubles the electric bill in 5 days out of thirty.Is the home unoccupied all month and you use it on weekends?Did the neighbor run a strange wire to your property?There might be stray or lost voltage in rare cases if there is poor grounding issues.Has the unit been serviced? A low freon charge will cause a unit to run excessively long and not cool.Do you run the indoor blower all the time.Has there been any other major purchases made (at all) that you plug in?I would look at everything because there is some cause for DOUBLE bill amount not just the cooling bill.Good luck

Jun 18, 2011 | Ruud Air Conditioners

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The heat and fan are running great, but in Florida it's now ac. time. The compressor does not come on. The unit is just blowing warm air. The ac hasn't been used since last November, at which time it...


Hi,

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

AirConditioner Trouble - Review the Possibilities

heatman101

Mar 20, 2011 | Air Conditioners

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I have a new kenmore ac unit model 580.75101500 i bought about two weeks ago and installed last week. its been blowing ice cold as it should no problems until today. Now the ac turns on runs about 5...


Take it back or call Sears. A 2 week old unit should not do that. I'll assume the settings are right like set on AC Auto or Max cool and not just fan. Are the coils icing or were they icing behind the filter? If not, I think it may need to be serviced.

Aug 07, 2010 | Kenmore Air Conditioners

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Zone is set to deliver AC but nothing comes out of the vents


Your duct system has dampers that separate the four zones. Even though all four sensors are working and call for a/c, you may not be getting voltage to the damper motors, which open when there is a call for a/c, and close when the call is satisfied. In certain parts of your duct system, you will find small orange or gray boxes with wires going into them. Those are the motors for the dampers. When there is a call for a/c in all four zones, check to see if you have power going to those boxes. If power is present, the motors are bad or the damper itself is stuck. If power is not present, check the master zone control.

Aug 11, 2009 | Carrier 38CKC060 Air Conditioner

1 Answer

Blank readings on Carrier Comfort 3 zone thermostat


The stat that works is called the main and the other two are called slave stats. The stats must be set to heat or cool the same as the main. If you want one room to cool and one to heat , sorry. Need to upgrade to auto changeover. Is this AC actally a Heat pump?

Jul 01, 2009 | Carrier 38CKC042 Air Conditioner

1 Answer

Carrier Comfort 13 Puron model 24ACA3 / FV4NB006 installed 3/18/08 no longer cooling. Carrier AC1-100 Thermostat checked per manual - all default settings intact. Test override did not turn unit on though....


Verify 24 volts at the low voltage transformer inside the air handler. If it is OK, jump out the red/green and yellow thermostat wires. If everything comes on, replace the thermostat.

Jun 07, 2009 | Carrier 38CKC036 Air Conditioner

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Zoned system one zone not working


I hit the reset button on the main unit and that reset all the sensors. It was so easy but when I called Carrier's customer service line they told me there was nothing they could recommend. Not very good customer service. Avoid Carrier brand if possible.

Jan 22, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

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