Ferroli 17 Fault Code
The Ferroli 17 fault code means: your boiler has failed to ignite, meaning it is unable to burn gas to provide heating or hot water.. It appears on 3 Ferroli models in our database.
Technical description: Boiler failed to light. Make sure that the gas isolation valve on the boiler and on the gas meter are open. Press the RESET button (2 Fig. 1).
DIY fix possible
Check that your gas emergency control valve (at the meter) is in the 'on' positionEnsure the gas isolation valve under the boiler is openPress the 'RESET' button on the boiler control panel for one second
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Gas Safe Register →Ferroli models that show the 17 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ferroli 17 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026