Carrier ac system in my upstairs zone, the outdoor unit is functioning but the air handler in the attic is not working. I removed the programmable thermostat to bypass and see if the blower would go on- nothing happened. COuld the system be overheated since we are having a record heat wave here? ...

I have a 11 year old top of the line at the time Carrier a/c heat pump and matching air handler. Last week the inside air handler started coming on for about 3 minutes and then shuts off. The outside unit never came on. My t- stat settings are such that the unit shouldn't be coming on period. Is...

My carrier airhandler fan does not come on I just paid a service tech for a diagnosis and he said the fan relay was bad he jumped 2 connections and the fan came on he said they would call tomorrow with a price to replace the fan relay he never did check to see if the outside unit was working after...

I was hooking up what I thought was a 24v heating wire to a thermostat when I came to later find out it may be 120v. Anyway, I try to manually turn on the fan on my carrier unit and I hear buzzing from the unit and nothing turns on. When I turn it of it does a little buzzing again. I went up and...

My air handler in the attic has iced up on the inside, but he blower is running. Naturally, little air is getting throughout the vents to the house.Temp is 84 degrees thermostat set at 73. I was told to turn off the air handler to let it defrost... service cannot get out for a few days. Will...