My thermostat works fine for the furnace but the air conditioner comes on outside but it don't blow or the fan is not working I put this thermostat in in fall of last year so didn't use the air

Did you put a jumper from rh to rc at the t-stat?

You say the outdoor unit comes on but not the indoor blower?

Yes the jumper was already there

An yes the unit outside comes on it just don't blow inside

OK sounds like you have a bad cooling fan relay. At you furnace. Does your furnace have a control board in the blower compartment?

I couldn't tell you I am not familier with heating an air

OK, no problem. Do you have a volt meter of any kind?

The guy that works on my heating an air told me last night about the yellow an green wire to the thermastst turns the fan reley on he's working now I am just trying to figure it out myself keep the wife happy lol

Well I did have 1 but it got broke by my daughter

Well if you turn your fan switch to on does the fan come on?

I know I had it wired up right according to the diagram

I will go check an see if fan comes on

OK sounds like it is wired right. I think the problem is going to be at your furnace

With heat an cool off the fan does not come on with it turned on to fan

The you either have a bad fan relay at your furnace. Or the green wire is broke or not touching at the t-stat. I would check the green wire at the stat first

OK I will do that

If that is not the problem we can go from there.

Well it must be the fan relay unless like you said the wire is broke somewhere where I can't see it

But the furnace worked all winter long

If the green is not hooked or broke at the t-stat it only messes the fan up in the ac mode. The fan is controlled by the furnace in the heat mode.

So its either a bad relay or the wire is broke right

Yea, did you check you green connection at the t-stat?

Yes it is connected

OK one other thing you can try is to take the t-sta off and jump between r and g and see if it comes on. If it still does not then it is most likely a bad relay and you will most likely need a new fan control board.

OK thanks for your help I appreciate it

No problem. Also. To get cooling for now. You may be able to switch the cool wire on the control board to eac which is a different relay.

The control board should be in the bottom door of your furnace. And the cooling wire should be black and hooked where it says cool on the control. Turn the power off and move it to eac and see if that works. It will not work for ever that way but will keep you cool till you get a new control