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.
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.
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