BoilerFaultCodes 113 High
Boiler Fault Code 113
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 113 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 detected an incorrect or malfunctioning internal configuration plug, which prevents it from operating correctly. (As reported on Worcester Bosch Greenstar i Junior)
Pick your boiler brand for the 113 fix
Source
Information for the 113 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