Question about Carrier 38CKC060 Air Conditioner

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Carrier central air conditioning system - condesation line clogged and AC system shut down. unclogged the condesation line, however i can't locate a fuse or circuit breaker to turn the system back on again

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  • Master
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On some units there is a float type switch in the condensate pan. When the water level gets high is will shut the unit down. These float switches sometimes get stuck. This may be your problem. This is a common feature on units installed in an attic to prevent condensate from ruining the ceiling.

Posted on Sep 03, 2010

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  • Master
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Hi, I have never in my 33 years heard of a a/c unit shutting down because of a plugged condensation line? This had to shut off for some other reason?? Anyway, you will have a main breaker where your electric meter is and all of your other breakers are to your home. It is either a 20 or 30 amp double pole breaker. Look to see if it has tripped. Also, at the outdoor unit, there will be a disconnect box that should have 2- fuses inside. If when you pull the plug out, and you don't see them, remove the plastic cover as they will be behind it if this is your set-up. Most have them, a few do not. And least but not last, start with the indoor unit,by removing the cover to expose the circuit control board. You will have a small 3 to 5 amp plug in fuse, the auto type to see if it may have blown. If no fuse there, you can remove the electrical panel to the outdoor unit last and look for a circuit board there for a 3 to 5 amp control fuse. They rarely put them there, but it is possible. If your indoor unit is in the basement, they will some times install a condensate pump to pump the water to the out side of the home. This is maybe your situation and blew the fuse in the air handler, this 3 to 5 amp fuse I am talking about.You will find it just look for a circuit board as the fuse is there to protect the transformer and main control board if there is a low voltage short some place in the system. Keep me posted on the outcome and check all of these places. Please don't forget to rate me as I know you will be kind. I have all of your information for future use in case you need any help, or for this problem. You can use my user name below to comment to me. I know you will find and get this unit going.
Sincerely,
Shastalaker7
A/C, Heating,

Posted on Sep 03, 2010

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  • Carrier Master
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Hi,
You can often reset them buy turning the thermostat off and then back on or up above the room temp. and then back down again...

heatman101

Posted on Sep 03, 2010

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Bat1956
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SOURCE: Central air conditioner will not turn on at all.

I understand this to be a heat pump. Check your thermostat settings, and the filters. And make sure a breaker isn't tripped.

Posted on May 21, 2009

  • 439 Answers

SOURCE: Carrier air conditioner will not turn on.

It could be the capacitor, or the relay switch on the main unit. Also, if you have had anyone doing yard work, they could have cut your thermostat wires by accident.

Posted on Jun 23, 2009

  • 1183 Answers

SOURCE: schematic diagram of central air conditioning

Several types out there. 99% of them use the same basic wiring.
Red is power from transformer to t'stat. Sometime there is a wire for common from transformer to t'stat too, but not always.
While is for heat. Green is for fan. Yellow is for cooling.
These 4 to 5 wires go on the terminals that are maked with letters: C=common, RH/RC is for power, W=heat, Y=cooling, G=fan.

In most cases, 2 wires from the indoor unit will go to the outdoor unit to power it for cooling. Usually connected to the yellow wired, Y terminal and common or grounded to the unit if the transformer is done in the same fashion.

If you have a heat pump, totally different animal and different wiring too.

Hope this helps you. Good Luck.

Posted on Dec 20, 2009

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