Furnace flashing red light 6 times July 8, 2019 16 32 64 128 Goodman furnace flashing red light 6 times York furnace flashing red light 6 times Lennox furnace red light flashing 6 times Coleman furnace red light flashing 6 times Trane furnace red light flashing 6 times Furnace flashing red light 5 times
