What does the Ariston BOILER SAFETY SHUTDOWN fault code mean?

Your boiler has stopped working because it failed to light or stay lit, meaning it cannot provide heating or hot water safely.

How much does it cost to fix Ariston error code BOILER SAFETY SHUTDOWN?

Typical repair cost for the Ariston BOILER SAFETY SHUTDOWN fault is £120-250 including labour.

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.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Almost always a stuck diverter valve on combis.

Lockout fault with a reset-needed pattern.

7 signs repair isn't worth it anymore.