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View Full Version : I have a Carrier Weathermaker 8000. Furnace cycles but no flame.


markhavel
Sep 18, 2011, 10:56 AM
I have a carrier weathermaker 8000.Furnace cycles but will not flame.I replaced glow coil and cleaned flame senser.The pressure switch is in open position.Any ideas?

mygirlsdad77
Sep 18, 2011, 02:44 PM
If pressure switch doesn't pull closed when draft inducer is running, then you have a plugged vent, plugged hose or port where pressure switch hose hooks to, bad pressure switch, faulty draft inducer, or possibly a plugged drain system if the unit is a 90+ unit.