It's been working all right till this morning. I woke up and the room temperature was around 60 :( . All I know about it is that it is a goodman brand furnace. It doesn't have a pilot, but an automatic ignitor. We followed the instruction to reset it -- shut down the electricity, shut down the gas,...

My Furnace Is Not Working. I Do Have 24 Volts And When I Turn My T-stat To Heat The Igniter Lights ,I Have A Small Flame But The Gas Valve Doesn't Seem To Be Working. No Heat. Just Flame

My Goodman furnace will light and then go out. This will occur 3 times, then will quit running. The control board blinks 1 time and tells me to Check Gas flow, gas pressure, gas valve, and flame sensor. It seems to have gas going to the valve. Could this be a bad gas valve? Or a bad Flame...