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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8049
Experience:  Furnace, A/C and heat pump specialist.
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Getting error code 31 on Carrier Weather Maker 8000. I've

Customer Question

Hi there, getting error code 31 on Carrier Weather Maker 8000.
I've read through the post on this and still not sure if I'm looking at the right part or not.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

What is the model on the furnace.Look just above burners on right inside panel. Will be smething like 58GSC08 or similar so I know which furnace you have in the 8000 series.

Customer: replied 1 year ago.
Expert:  airheatman replied 1 year ago.

Excellent. The 31 error code is indicating that pressure switch is not closing or is opening back up. When you call for heat at thermostat, does the inducer motor(small vent motor) come on?

Customer: replied 1 year ago.
I know the large blower motor comes on (black wheel on the end), is there a separate motor?
Expert:  airheatman replied 1 year ago.

Your furnace has 2 motors.ONe small one where vent leaves furnace and then a large blower in bottom of unit that circulates air in the home. I am referring to the small vent motor:

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