BoilerFaultCodesAriston Boiler Shutdown Fault Code
Also written as BOILERSHUTDOWN — same fault.
The Ariston Boiler Shutdown fault code means: your boiler has detected an internal safety issue and has shut itself down to prevent any damage or danger, meaning you currently have no heating or hot water.. It appears on 5 Ariston models in our database.
Technical description: Internal P.C.B. protections activated. Possible causes: air pressure switch fault, jammed reset button, or flame detection electrode failure.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Ariston models that show the Boiler Shutdown fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ariston Boiler Shutdown 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 7 July 2026