BoilerFaultCodes Digital control system High
Boiler Fault Code Digital control system
Also written as DIGITALCONTROLSYSTEM — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Digital control system appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's computer is experiencing an internal error and cannot communicate with its components, meaning it has shut down as a safety precaution. (As reported on Worcester Bosch Greenstar 12i System)
Pick your boiler brand for the Digital control system fix
Source
Information for the Digital control system 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