BoilerFaultCodes A97 High
Boiler Fault Code A97
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code A97 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected a software or internal communication error with its main brain, meaning it has safely shut down to prevent incorrect operation. (As reported on Ariston Genus One 24)
Pick your boiler brand for the A97 fix
Source
Information for the A97 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026