Goodman Gas Furnace: GCSS92 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: GCSS92 Re: Flashing Code 4 Code 4 = Limit Circuit Open The Limit Circuit consists of two Manual-Reset* auxiliary limits (on each side of the blower housing) and one Auto-Reset primary limit (above the burners). * The diagram and installation manual show Manual-Reset...