BoilerFaultCodes E58 Emergency
Boiler Fault Code E58
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E58 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has too much water pressure inside the system after being topped up, which has caused it to lock out for safety. (As reported on Biasi Basica System 2022)
Pick your boiler brand for the E58 fix
Source
Information for the E58 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