Furnace Guides

The main culprits behind the Lennox furnace red light flashing 4 times are the malfunctioning control board, faulty thermostat, and … Read More

York furnace red light blinking 9 times tells you that the furnace’s machine is going through grounding difficulty. Reverse polarity … Read More

Open igniter circuit, malfunctioning control board, and cracked igniter are mainly responsible for York furnace 12 red flashes. Twelve red … Read More

Low gas pressure, open primary or auxiliary limit switch, faulty gas valve are mainly responsible for York furnace 10 red … Read More

The York furnace is made with a self-diagnostic capability. If something is wrong with your furnace, it will show a … Read More

York Furnace 8 Red Flashes means ignition lockout problem in your York furnace due to systems shut down. Defective flame … Read More