“Unlock the mystery of Goodman Furnace Error Codes with our comprehensive guide. Delve into a detailed list of error codes specific to Goodman Furnaces, providing you with invaluable insights into potential issues and malfunctions. Designed to empower homeowners and technicians alike, this guide equips you with the knowledge needed to decipher error codes accurately.
| LED #FLASES | RED LED | AMBER LED | GREEN |
| STEADY ON | INTERNAL GV ERROR, MICRO, AND FREQUENCY CHECK | STANDBY | |
| RAPID | TWINNING ERROR | LOW FLAME SENSE CURRENT | NORMAL OPERATION WITH CALL FOR FAN (G) |
| 1 FLASH | FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT | NORMAL OPERATION WITH CALL FOR 1ST STAGE HEAT (W1) | NORMAL OPERATION WITH CALL FOR LOW STAGE COOL (YLO + G) |
| 2 FLASHES | PRESSURE SWITCH STUCK CLOSED/INDUCER ERROR | NORMAL OPERATION WITH CALL FOR 2ND STAGE HEAT | NORMAL OPERATION WITH CALL FOR HIGH STAGE COOL/ OR SINGLE-STAGE COOLING (Y + G) |
| 3 FLASHES | 1ST STAGE PRESSURE SWITCH STUCK OPEN/INDUCER ERROR | W2 PRESENT WITH NO W1 | |
| 4 FLASHES | OPEN LIMIT SWITCH | Y PRESENT WITH NO G CALL, YLO PRESENT WITH NO G CALL | |
| 5 FLASHES | OPEN ROLLOUT/OPEN FUSE DETECTED | ||
| 6 FLASHES | PRESSURE SWITCH CYCLE LOCKOUT | ||
| 7 FLASHES | EXTERNAL LOCKOUT (RETRIES) | ||
| 8 FLASHES | EXTERNAL LOCKOUT (RECYCLES | ||
| 9 FLASHES | GROUNDING OR REVERSED POLARITY | ||
| 10 FLASHES | GAS FLOW WITH NO CALL FOR HEAT | ||
| 11 FLASHES | LIMIT SWITCH OPEN-BLOWER FAILURE | ||
| 12 FLASHES | IGNITOR RELAY FAILURE | ||
| 3 DOUBLE FLASHES | 2ND STAGE PRESSURE SWITCH STUCK OPEN/INDUCER ERROR |