| Luxaire Error Code | What this means |
|---|---|
| Slow green or amber flash | The furnace is operating normally (green) and there’s been a call for heat (amber). |
| Fast amber flash | The flame sensor needs to be checked and maybe cleaned. |
| Red light on continuously | The control board needs to be replaced. |
| 1 red flash | A flame was present when there was no call for heat. |
| 2, 3, or 6 red flashes | Problems with the pressure switch. |
| 4 or 11 red flashes | Problems with the limit switch. |
| 5 red flashes | Problem with the rollout switch |
| 7 or 8 red flashes | Flame couldn’t be established or was lost several times. |
| 9 red flashes | Reversed polarity or a grounding problem. |
| 10 red flashes | Problem with the gas valve or wiring. |
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