Question about Carrier 38CKC042 Air Conditioner

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Carrier hi wall split unit on light flashes 4 times ???

The carrier unit runs fine for a while then stops and the `unit on' led flashes 4 times then repeats the 4 flashes and so on
model 42G250HF-1 i turn off the condensors breaker reseting the unit and then it works for a while 20 min to a few hours

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  • Anonymous May 02, 2009

    same problem with a 42kg5a3405b... it starts ok, then erratically --because could be any time, minutes, hours, etc-- flashes 5 times and closes itself. maybe it would start again but sometimes it doesnt. this model is 220v, cooler only, split system. if i reset its mains breaker outdoors it will "reset" and could make it work since when it falls into the blink state on/off via remote wont work. no error codes chart in the indoor unit nor user manual

  • Farley Redfield
    Farley Redfield May 11, 2010

    Where is this led at on thermostat, indoor or out door unit , or is this a package unit all in one?
    Is it set to cool or heat? Are you cooling or heating when this happens?
    Do you see or hear anything different?
    Are these flashes of the same time length or quick then longer or vice versea?
    Is it gas heat? Electric Heat?




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This problem is outdoor unit issue. Blinking 4 times in carrier highwall unit means Compressor drive malfunction. Possible cause are the following: - Stuck up or grounded compressor. - Magnetic contractor in outdoor unit is defective or indoor unit relay supplying outdoor unit is defective. - No power supply going to outdoor unit.

Posted on Dec 06, 2011

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The fin coil sensor is either badly conected or spoilt so u replace it

Posted on Jan 13, 2011

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As i am a mechanic in sydney australia, i can honestly say that the chance of you getting help via carrier is very very slim... the reason it is doing that is that it has a legitimate problem unfortunately i have a carrier 42g250h which is flashing 4 times aswell... i have been waiting now 10 working days for carrier to call me to tell me what the problem is... if you can afford to do it, throw the damn thing out and buy a new one, i hate to say it but even an LG will work better than these heaps of ****

Posted on Jun 16, 2009

  • fgadoua211 Sep 23, 2010

    i have the same problem on the friedrich (18000btu),the red light flash 4 times and after the red and the yellow lights flashes 4 times and so on. i dont know what to say,please help us to resolve the problem. thanks,
    Francois

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My Panasonic split air conditioner has stopped cooling - model:CU-W18DKR. The internal unit and internal fan operate normally. The external unit fan does not run like normal and no compressor sounds f


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• To make a diagnosis
1. Timer LED start to blink and the unit automatically stops the operation.
2. Press the CHECK button on the remote controller continuously for 5 seconds.
3. "- -" will be displayed on the remote controller display.
Note: Display only for "- -". (No transmitting signal, no
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4. Press the "TIMER" or button on the remote controller. The code "H00" (no abnormality) will be displayed and signal will be transmitted to the main unit.
5. Every press of the button (up or down) will increase abnormality numbers and transmit abnormality code signal to the main unit.
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Or better yet, get a tech to check first.

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