My furnace will not come on. The LED flashes 3 times, which tells me the venter is plugged or my pressure stch is open. I bypassed the pressure switch and everything works fine. I installed a new pressure switch and the furnace came on as normal and the LED stayed on as it is meant to. I put the...

I have a Goodman PGB030050-1 and the status light is flashing 3 LEDs, which corresponds to the code "END SWITCH CLOSED WITHOUT INDUCER ON". When I reset the breaker on the end switch, everything fires up and runs fine for a few hours, then shuts down with the same status light code. I have read...

My Coleman Evcon furnace will not heat. I took off the cover and saw a red light flash three times indicating pressure switch failed to close. I blew into both ends of the rubber tube. I noticed a click as I blew in the direction of the pressure switch and another click as I ceased blowing. ...

When my furnace tries to come on it blinks 3 times which tells me my pressure switch failed to close. I went and got another one and put on and it is still doing the same thing. When I jumper it out the furnace comes on and works normally. I checked the vent and it is free of debris. Is it...

I have Goodman Furnace model GMT 090- 3 installed in 1999 and it has stop working and when I open the cover of furnace I can see there is a red LED light that blinks three times and stops after a second or so it again blinks three times and stops this cycle is keep going, and furnace doesn't start....