Ariston 110 Fault Code
The Ariston 110 fault code means: your boiler has detected that it is getting too hot, so it has shut down to prevent any damage to the internal components.. It appears on 1 Ariston model in our database.
Technical description: All Boilers
DIY fix possible
Check that all radiator valves are fully openEnsure the boiler pressure is between 1 and 1.5 bar on the gaugeTry resetting the boiler using the 'Reset' button on the front panel
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Gas Safe Register →Ariston models that show the 110 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ariston 110 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026