Question about Carrier 38CKC042 Air Conditioner
A few days ago I noticed a loud squeeling sound coming from the unit when the AC was running. I turned it off because I was pretty sure something was wrong. Now, when I turn the AC on I can hear the unit make a humming noise when I stand next to it. I've reset the circuit breakers and they didn't fix the problem. If I run the fan inside the house the humming is not present. Any suggestions or ideas would be greatly appreciated.
Sounds like a bad fan motor. Inside fan runs, compressor runs. Outside fan. Are your contactors pulled in when thermostat set on cool? If not might be a contactor. If contactor not pulled in touch the top of it with the end of a screwdriver. If fan spins turn unit off a buy a contactor...
Tip: Always make sure power at disconnect is off
Posted on Jun 23, 2008
Sounds like your compressor has frozen up or is not getting the required voltage to run. One option might be to install what is called a hard start kit which is a capacitor. If this does not fix your problem most likley your condenser will need replaced. Another thing might be an overcharged system which could happen as the temperature has increased outside. Unfortunatly this will probably already have caused damage to the compressor. Please comment if you need further assistance.
Posted on Jun 10, 2008
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Posted on Jan 02, 2017
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