High
BOILER SHUTDOWN on Ariston Genus 27

Your boiler has detected a failure in its internal safety systems and has shut itself down to prevent damage, meaning you currently have no heating or hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Check/reset different pressure switch for pump, check wiring, check/replace P.C.B. wire, power supply PCB or control PCB.

Engineer required

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

Find a Gas Safe engineer
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