Question about Heating & Cooling
If the a/c is not turning on it is a power problem The thermostat turns the system on and if it is bad it won't let the system come on. The way to see if it is the thermostat is by this. 1st take the thermostat off the wall. Make sure you take care in the removal of the thermostat Use a pen and paper to mark where you removed your wires. There should be 6 wires on the system however the wires that you need to worry about are red, green, yellow, white. If you turn off all power to your a/c system at the breaker box. This should be a dual 60 amp breaker, once the power has been disconnected twist together the red,green and yellow wires. Go backto your breaker box and turn the a/c system back on. If your furnace and outside unit come on the problem is with the thermostat at this time replace it. If the system doesn't come on then there is an electrical problem which could be quite a few things that would call for a tech to come check out your unit. Good luck on your repairs
Posted on Sep 03, 2009
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Posted on Jan 02, 2017
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