INDICATOR LIGHT FLASHING High
Boiler Fault Code INDICATOR LIGHT FLASHING
Also written as INDICATORLIGHTFLASHING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code INDICATOR LIGHT FLASHING 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 has detected a problem with one of its internal temperature sensors and has stopped working as a safety precaution. (As reported on Worcester Bosch 24i RSF)
Pick your boiler brand for the INDICATOR LIGHT FLASHING fix
Source
Information for the INDICATOR LIGHT FLASHING 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