Ferroli 10 Fault Code
The Ferroli 10 fault code means: your boiler has failed to ignite and cannot produce heat or hot water because it isn't receiving gas or cannot create a flame.. 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 underneath the boiler is fully openPress and hold the RESET button for several seconds to clear the lockout
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Gas Safe Register →Ferroli models that show the 10 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ferroli 10 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