Carrier Bryant plus 355MAV, Furnace - pressure switch calibration fault

10-21-2011, 05:10 PM	#1
mnpugguy Newbie   Join Date: Oct 2011 Posts: 1	Carrier Bryant plus 355MAV, Furnace - pressure switch calibration fault Carrier Bryant plus 355MAV, Furnace runs a few seconds then stops, pressure switch calibration fault code, 4 yellow 3 green. help.

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10-21-2011, 07:42 PM	#2
Houston204 Member     Join Date: Oct 2009 Location: Texas Posts: 571	Carrier Bryant plus 355MAV, Furnace - pressure switch calibration fault Your manual Check to make sure that all PVC pipes leading into the combustion-air intake and vent/ exhaust are free from any cracks and sags. Also check the combustion-air intake and vent/exhaust pipes on the outside of your home for blockage.