FAULT POINT D High
Boiler Fault Code FAULT POINT D
Also written as FAULTPOINTD — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code FAULT POINT D 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 a critical internal error and has safely shut itself down to prevent damage, meaning your heating and hot water will not work until it is reset or repaired. (As reported on Worcester Bosch Greenstar 15sbi)
Pick your boiler brand for the FAULT POINT D fix
Source
Information for the FAULT POINT D 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