BoilerFaultCodes A30 Emergency
Boiler Fault Code A30
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code A30 appears across 1 boiler brand and 3 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 flame inside when it should be turned off, which means it is behaving unpredictably and needs professional attention to ensure it is safe. (As reported on Vokera Vibe Max)
Pick your boiler brand for the A30 fix
Source
Information for the A30 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 7 July 2026