Baxi Flame Failure Fault Code
Also written as FLAMEFAILURE — same fault.
The Baxi Flame Failure fault code means: your boiler has stopped working because it couldn't light the flame or keep it burning, so it has purposefully shut itself down for safety.. It appears on 7 Baxi models in our database.
Technical description: Red indicator lit. Press the Reset Button.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Baxi models that show the Flame Failure fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi Flame Failure fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026