BoilerFaultCodes 314 High
Boiler Fault Code 314
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 314 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 experienced a power interruption while it was in a safety lock-out state, meaning it cannot restart until the fault that caused the initial lock-out is addressed. (As reported on Worcester Bosch 24/28/35 CDi MkII)
Pick your boiler brand for the 314 fix
Source
Information for the 314 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