Ariston BOILER SAFETY SHUTDOWN Fault Code
Also written as BOILERSAFETYSHUTDOWN — same fault.
The Ariston BOILER SAFETY SHUTDOWN fault code means: your boiler has stopped working because it failed to light or stay lit, meaning it cannot provide heating or hot water safely.. It appears on 1 Ariston model in our database.
Technical description: Check if flame strikes detection electrode, check soft-light gas pressure, check/replace detection electrode, check power P.C.B. or control P.C.B.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Ariston models that show the BOILER SAFETY SHUTDOWN fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ariston BOILER SAFETY 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 27 April 2026