Baxi 17 Fault Code
The Baxi 17 fault code means: your boiler is currently reporting its status rather than a fault, which usually indicates it is in a specific operating mode or is busy processing a command.. It appears on 3 Baxi models in our database.
Technical description: Boiler operating mode
DIY fix possible
Check if the room thermostat or programmer is calling for heatWait up to 10 minutes to see if the code clears as the boiler completes its cycleTurn the selector switch to 'Reset' for 5 seconds and then back to the original position
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Baxi models that show the 17 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi 17 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 7 July 2026