BoilerFaultCodes F0 258 High
Boiler Fault Code F0 258
Also written as F0258 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0 258 appears across 1 boiler brand and 12 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's internal computer or control unit has encountered a serious communication error and can no longer operate your heating or hot water safely. (As reported on Worcester Bosch Heatslave)
Pick your boiler brand for the F0 258 fix
Source
Information for the F0 258 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