Have HVAC Questions? Ask an HVAC Expert for Answers
My Goodman self-igniting furnace won't ignite. It was running fine and just stopped. I tried cutting the power and cycling back on, but still nothing. We had the same problem last winter and tech said it wasn't draining properly and they had to reset it. Is there a reset button somewhere I'm not seeing?
Is there a condensate pump connected to the furnace? It would look something like this...
You may have to pull both the panels off and depress the door switch to watch for a fault code with lights. If there is a window in the door you might see them.
Ok - red light is giving 3 blinks, which according to panel door indicates the "Pressure switch failure to close" - and to check "Venter pressure switch vent blockage". Not sure what that means.
Ok... This can mean several things...Let us start with the obvious... Turn the furnace off then back on. Does the vent motor run?
Ok, next easy step is to run out and look at the vent pipes where they go outside and verify there is no ice, snow, birds or anything blocking the vent pipe.
Ok... Looking into the furnace, you see the venter motor? You will see a little rubber tube that goes to the pressure switch. Is there one or two pressure switches? If two, where does the other switch's hose go?
Nice... Can you take a little wider view... I want to see the whole thing... If that's ok.
Here you go - It's a little blurry -Let me know if this doesn't work.
Well, now I know why your drain is slow....The pressure switch is the black hockey puck thing. Pull the rubber hose off the venter assembly that leads to the pressure switch... Let me know if any water comes out.
I would have that drain redone. You want it to go into a pipe rather than a hose, There is a lot of friction in that hose. Make a drain stand pipe out of 3/4" pvc. Sort of like the ac or humidifier drain on the right.I was never a big fan of that furnace from the beginning, but that is neither here nor there. It just was not engineered very well. That's not to say it wont work for you though. Those hockey puck pressure switches are finicky too.Well if nothing else it's warming the house.... Wish I could make it work like its supposed to.
I want to wish you and your family a great new year.