Goodman error codes

Goodman furnaces and air conditioners flash red and green LED codes when something goes wrong. Decode them here with safe troubleshooting steps.

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.

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