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RE: Carrier Unit Central

The Unit is Central air and the system sets outside. I hit the button that jump start the system before, but the button comes back up and stop connecting or touching the copper strip. I was working on the system this morning at 3 am (My wife made me do it!) when I noticed that the pipe were freezing over. So, I turned the system off.

I stuck a paper clip in this button to keep the system running when the system froze the pipes. Also, the system did not work. No air came out of the vents, hot, warm, ot cold. So, that's when I turned the system off.

What can I do?

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  • DcShake007 Aug 01, 2008

    It was good advise, but I just needed to replace the A/C unit.

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  • Air Conditio... Master
  • 19,396 Answers

Try first cutting system power for a couple of minutes, even from main. With some luck it can be enough to reset the system, as it looks like a problem with the control board. The control board has also a coin battery and a reset bridge on it , but to access them you need to take apart control unit. Try fist turning off main power switch for 5 minutes or so.

Posted on Jul 26, 2008

  • Ginko
    Ginko Jul 26, 2008

    About the clip remove it immediately. The system has a secafety switch that is turning it off because there is a problem, if you force your AC to stay on in this conditions you can badly damage it.



  • Ginko
    Ginko Jul 26, 2008

    Generally if the unit is freezing it may have problem with air flow, dirty filters, dirty coils or control board.
    If you have experience in doing this operations you can try cleaning coils and filters or replacing filters.
    If you cannot solve the problem with simple user maintainance operations I suggest calling in a repairman, ACs are delicate machines, and when a problem starts is better to call service instead of risking to waste a several thousand system to save one or two hundreds.


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RE: Carrier Unit Central


LOL I understand the situation, bet my wife is worse than yours on this kind of things.
Regarding the unit that does not stay on there are two possibilities:
1 ) Unit switch is broken, in this case paper clip wont cause any damage, and the unit will just stay on.
2) There is a serious problem with the unit and the internal switch does not let unit to turn on, this is probably your case, if you force the unit to start with the paper clip it won't work because the safety switch keeps trying to turn it off, and with a reason.
I think there is a problem with the unit that does not turn on, If there is ice on coils then usually the AC is low on freon or the face of the coil has dirt on it and the air cant get out the one vent.
Only simple thing you can do is letting it off until it defrost then try just the fan see if you get air from vent if you do it is definitively low on freon. If fan does not start can still be in need of recharging freon, but can also be a problem with the fan motor.
A possibility is that your system was low on freon and when you set lower temperature settings for summer it went under pressure, froze and the machine went into error mode, if you cannot fix it in a simple way you will probably to call service to recharge freon and to inspect the machine.
If you decide to call service you can use the phone number printed on last pages of the owner manual.

Jul 26, 2008 | Air Conditioners

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