York Gas Furnace Re: Water Leak / Clear Condensate Pan Covers All of the 33" gas furnaces originally came with a clear, plastic condensate pan cover. Over time, the clear plastic pan has a tendency to crack and cause condensate leakage inside the furnace cabinet. Any clear condensate pans...

Gas Furnace Re: Blown Low Voltage Fuse The low voltage fuse provides protection for the control board and other low voltage components in the case of high amperage caused by a low voltage short or excess component load. ► The fuse must be sized per the "VA" of the transformer. Amps = VA...

York Gas Furnace Re: Flashing Code 1 Code 1 = Flame sensed with no call for heat. ► In a Code 1 situation, the furnace control board thinks that the gas valve is stuck on and the flame is still burning without a call for heat. Therefore, when a control board goes into a code 1, it will lock...

York Gas Furnace Re: Flashing Code 2 (Assuming original control board) Code 2 = Pressure switch stuck closed The furnace pressure switch should only close when the inducer fan output is energized. If control board is not energizing the inducer fan output and the switch is closed, the board...

York 90% Gas Furnace Re: Flashing Code 3 Flashing Code 3 = Furnace Pressure Switch failed to close on a call for heat. Vent All 90% gas furnaces have a pressure switch to monitor negative pressure from the inducer motor. If the venting system becomes clogged or restricted, the inducer...

York Gas Furnace: TM9V 95% 2-Stage, Variable-Speed Gas Furnace Re: Code 4 Code 4 - Limit Switch Fault Limit Switch is Open (Soft Lockout - will reset when limit closes) Opened 5 Times During a Run Cycle (Hard Lokout - auto reset in 1 Hr) Roll-Out switches are wired in series with the...

York Gas Furnace Re: Flashing Code 6 Code 6 = Pressure switch opened 4 times during a run cycle. ► This is a "Soft Lockout" which will automatically reset after 1 hour. Qty Possible Causes (From Most to Least Likely): Bad Inducer Motor Water in Vent ...