what does a code 31 mean on a payne forced hot air furnace the furnace is 4 years old
- posted
10 years ago
what does a code 31 mean on a payne forced hot air furnace the furnace is 4 years old
What is the model number of the furnance?
Code 31 is a air pressure switch fault code. I would start by checking your vent pipes outside and see if they are blocked with (snow or debri)
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