I just noticed that regardless of whether the FAN switch is in the AUTO or ON position, the fan is continuously running. It just started to do this, this past week, up until now it was fine, only running when the furnace kicked in. When I turn the SYSTEM switch from HEAT or COOL to OFF, it...

My fan run continuously, with no flame going. I have cut power to the furnace for 30 minutes, and it still does the same thing. The model # is KG6RA 072C- 12A, The serial # is KGD070812594. Please help Thanks Ron Hill

I have changed my thermostat to cool off, fan is in auto mode, but my blower is continuously running. I need to keep my circuit breaker to off position to keep my blower off. Any idea on what could be the problem? Two LEDs on the control panel shows blinking red and green, which is the normal...

My heater fan will not shut off. Pulled thermostat off the wall and fan continues to run. Any answers are gratefully appreciated. So, update: We pulled the red wire off thermostat, and fan still keeps running. The only way to shut it off is at the furnace itself. But that turns whole system...

Please let me know if it is more efficient to have the blower fan on continuously rather than in the automatic position. If so, does it make a difference in heating mode or AC mode?