BoilerFaultCodes Red L.E.D. G High
Boiler Fault Code Red L.E.D. G
Also written as REDLEDG — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Red L.E.D. G 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 automatically turned itself off because the water inside became too hot, which is a safety feature to prevent damage or dangerous conditions. (As reported on Ariston E-Combi One 30)
Pick your boiler brand for the Red L.E.D. G fix
Source
Information for the Red L.E.D. G 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