BoilerFaultCodes All LEDs Off High
Boiler Fault Code All LEDs Off
Also written as ALLLEDSOFF — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code All LEDs Off 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 lost all power and is completely unresponsive, meaning it is currently unable to provide heating or hot water. (As reported on Vokera Option)
Pick your boiler brand for the All LEDs Off fix
Source
Information for the All LEDs Off 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