Goodman Error Codes

Goodman error codes verified against official Goodman support pages, owner's manuals and manufacturer service charts, by appliance.

• Goodman furnace error codes
• Goodman ac & heat pump error codes

All code pages

Goodman furnace 4 flashes (open high limit) Goodman furnace 3 flashes (pressure switch stuck open) Goodman furnace 1 flash (system lockout (retries exceeded)) Goodman ac & heat pump b9 (low indoor airflow) Goodman ac & heat pump 02 (high side fault / high pressure switch open) Goodman ac & heat pump 05 (open circuit) Goodman ac & heat pump L8 (low line voltage)