Baxi E26 Fault Code
The Baxi E26 fault code means: your boiler is struggling to clear exhaust gases out through the flue, so it has safely shut itself down to prevent any unsafe buildup.. It appears on 2 Baxi models in our database.
Technical description: Fan
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 E26 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi E26 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