RED LED LIGHT High
Boiler Fault Code RED LED LIGHT
Also written as REDLEDLIGHT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code RED LED LIGHT appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because it failed to light the flame properly, or there is an internal communication error preventing it from running. (As reported on Vokera Option)
Pick your boiler brand for the RED LED LIGHT fix
Source
Information for the RED LED LIGHT 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