Questions & Answers for: ducan furnace light

My son has a ducane gas furnace that will not come on .. it starts the blower motor then the glow plug lights for about 20 seconds then goes out ... it then repeats sequence .. I don't know model ...

...furnace. The problem is it will not fire up. I have gas coming to the main gas valve( Smart Valve SV9520H) According to manual test I get to glow plug (Hot surface igniter) does light for warm up, ...

...furnace, the inducer motor comes on but the burners do not. the indicator light is stating check the pressure switch and I did replaced it with a new one, do you have any idea;s make sure the hose ...

...light on the control either blinking or remain solid depending upon model. The inducer (exhaust) blower will purge all gasses from the furnace and pressurize a pressure switch. Once the pressure ...

ducane mpga100b4b furnace and it wont light, it blinks 3 times on the board, is there a reset button somewhere? Isnt there a lable on door or cover telling what those three blinks mean.

...furnace ,when i turn it on both power light and status light are solid indicating normal operation yet the fan immediatly turns on and won,t allow the system to work,i checked all the limits and they ...

...FURNACE WILL NOT LIGHT AND BOARD FLASHES CODE THREE. I REPLACED BOARD MYSELF AND DID NOT FIX MY PROBLEM. AFTER TRYING A NEW PRESSURE SWITCH THAT DID NOT FIX IT, I NOTICED THAT THERE WERE TWO SWITCHES ...

...Ducan furnace with a Honeywell igniter. It is getting gas (LP) and the pilot light is coming on but furnace will not start. Blower is working if when cycling voltage to ignitor bad ignitor if no ...

I have a Ducane furnace and when it lights you hear a loud boom. Would that be a bad gas valve? blocked burner tube gas is pooling then lighting