Equipment category · 37 source-linked records

HVAC and furnace error codes,
with the source in view.

These furnace records come from three official manufacturer manuals and remain tied to their named equipment families: Daikin DM97MC/DC97MC, Trane *UH1/*DH1, and Goodman 80% single-stage furnaces. They are not a general HVAC code list, and technician-facing displays are not homeowner repair instructions.