BoilerFaultCodes Betacom c High
Boiler Fault Code Betacom c
Also written as BETACOMC — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Betacom c appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has likely lost water pressure or there is a blockage preventing water from circulating properly, causing the system to stop heating. (As reported on Glow-worm 30cxi)
Pick your boiler brand for the Betacom c fix
Source
Information for the Betacom c 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