BoilerFaultCodes E49 High
Boiler Fault Code E49
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E49 appears across 1 boiler brand and 1 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 that the gas is not burning correctly, which means it has shut down to prevent inefficient or unsafe operation. (As reported on Biasi Rinnova Adaptive Combi)
Pick your boiler brand for the E49 fix
Source
Information for the E49 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 27 April 2026