If you’re looking for help fixing your Luxaire furnace, look no further! Our comprehensive Luxaire furnace repair guide will explain common issues, provide troubleshooting tips, and show you how to read your model’s error codes.

CODE: Slow green or amber flash
PROBLEM: The furnace is operating normally (green) and there’s been a call for heat (amber).

CODE: Fast amber flash
PROBLEM: The flame sensor needs to be checked and maybe cleaned.

CODE: Red light on continuously
PROBLEM: The control board needs to be replaced.

CODE: 1 red flash
PROBLEM: A flame was present when there was no call for heat.

CODE: 2, 3, or 6 red flashes
PROBLEM: Problems with the pressure switch.

CODE: 4 or 11 red flashes
PROBLEM: Problems with the limit switch.

CODE: 5 red flashes
PROBLEM: Problem with the rollout switch

CODE: 7 or 8 red flashes
PROBLEM: Flame couldn’t be established or was lost several times.

CODE: 9 red flashes
PROBLEM: Reversed polarity or a grounding problem.

CODE: 10 red flashes
PROBLEM: Problem with the gas valve or wiring.

luxaire furnace codes

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