2930 High

Boiler Fault Code 2930

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 2930 appears across 1 boiler brand and 6 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 internal communication failure between its main computer and the main heating component, preventing it from starting safely. (As reported on Worcester Bosch 1000)

Pick your boiler brand for the 2930 fix

Source

Information for the 2930 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