Goodman Furnace error codes

12 verified Goodman furnace error codes — plain-English meanings, likely causes and safe step-by-step fixes for each.

1 (red LED) 2 (red LED) 3 (red LED) 4 (red LED) 5 (red LED) 6 (red LED) 7 (red LED) 8 (red LED) 1 (amber LED) 2 (amber LED) 3 (amber LED) Green LED (normal)

Before you start

Write down the exact code on the display, including any letters. Many codes clear after a power reset: unplug the appliance for 2–3 minutes, plug it back in, and run a short cycle. If the code comes back, open its page below and work through the fixes in order.

All Goodman error codes → · Furnace codes across all brands →