Carrier kca series won't start


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Old 05-13-14, 07:27 PM
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Carrier kca series won't start

I have a carrier window A/C unit that won't start. No matter what fan speed, temperature, mode, or swing I put on it, it will not start. It beeps when I plug it in or turn it on and all of the lights come on, but will not start up. I've checked the filter and it's clean. I have also tried using the "test" and "restart" buttons on the plug. I've already checked the troubleshooting section of the manual as well, but it was not helpful.
 
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Old 05-13-14, 08:25 PM
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Welcome to the forums.

These units aren't terribly easy to service as they need to come out of the window and get taken apart. Inside there is a control board with relays on it. Based on my experience.... that's where you'll find the problem. It could be a defective relay or a faulty solder connection on the board.
 
 

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