Question about Carrier Heating & Cooling
Make sure a back draft in the flue is not happening. Wind can blow it out until the flue heats up. The flame sensor may not be close enough to the burner flame. It may be weak and need to be replaced or if its an optical one it may be dirty and not see the flame very well. Its not wasting much gas but it puts extra wear and tear on the gas controls, is noisy, and, as you said, blows cold drafty air. A gas control system that has issues of any kind is not real safe. It needs to get fixed.
Posted on Jan 08, 2009
the cap is usually next to the contactor on the outside unit and most are dual caos one terminal for fan marked "F" and one marked "H" for hermetic compressor and will have 2 mfd ratings at 370volt or 440 volt a.c. operation
Posted on Sep 26, 2009
SOURCE: Carrier furnace fan works in
First take off the thermostat cover and turn off power to unit jump the R,G Y wires at the thermostat subbase with power back on, if the fan starts up then the thermostat is bad and must be replaced. If it still does not start then the relay on the control board is bad and must be replaced.
Posted on Jun 25, 2011
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