How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Phil Your Own Question
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7590
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
23932409
Type Your HVAC Question Here...
Phil is online now
A new question is answered every 9 seconds

My goodman furnace model gms90904cxa the flame keeps going

Customer Question

my goodman furnace model gms90904cxa the flame keeps going out and relighting every 10 to 20 seconds and the main blower comes on and stays on, i have replaced the flame sensor and no luck
Submitted: 9 months ago.
Category: HVAC
Expert:  Phil replied 9 months ago.

Hello, the printed circuit board is most likely bad. Chance of that being accurate are in the 95% range but not 100%

The main blower would not be coming on if the printed circuit card were good under those conditions.

We can go from here without any time limit as needed.

Related HVAC Questions