Goodman Gas Furnace: GMES96 Re: Lockout Codes # of Flashes Description Off No Power or Faulty Control On Normal Operation 1 Ignition lockout (3 failed tries) - 1hr Auto Reset 2 Pressure switch stuck closed 3 Pressure switch stuck open 4 ...

Goodman Gas Furnace: GMES96 Re: Flashing Code 1 / Won't Ignite Code 1 = 3 Failed Ignition Attempts ► Be aware that the furnace Condensate Pressure Switch (Front Cover Pressure Switch) breaks power to the gas valve and will cause a Fault Code 1 (Does not cause a Code 3). Qty Possible...

Goodman Gas Furnace: GMES96 Re: Flashing Code 3 Code 3 = Pressure Switch failed to close with the inducer energized. ► There are 2 Pressure Switches in the furnace. Only the Inducer Pressure Switch will cause a Code 3. The Drain Pressure Switch (labeled as Front Cover Switch) breaks power to...