How to fix a pressure switch on a goodman Gms807034ana
The furnace come on burner lites and goes off when blower comes on. The led light flash 3 times. And we just put a new flame sensor on. Can anyone help..
Heating & Cooling - Goodman - GMS80453ANA Open Flame Mid-Size Heater
Answers & Comments
Since the burners light this eliminates the pressure switch as the problem. Typically when the burners come on and shut off quickly a flame sensor, ground problem or the limit switch tripping are the main reasons. Since the flame sensor has been replaced, check the limit switch