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Blackmon Family
Aug 2, 2007, 12:25 PM
AC in home was working and the fan is still blowing air but when the AC is turned on the fire starts up in the furnace. Can someone help me troubleshoot? I have changed the thermostat in the house and changed the filter already.
esquire1
Aug 2, 2007, 01:15 PM
How do you have the thermostat wired?
acetc
Aug 2, 2007, 03:02 PM
And what type of thermostat did you install ? did this problem exist before the thermostat change? If you put in a digital thermostat you may have to tell it that you have a gas furnace, it may be operating in the heat pump mode.