BoilerFaultCodes Fan/Flue LED Green Low
Boiler Fault Code Fan/Flue LED Green
Also written as FANFLUELEDGREEN — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Fan/Flue LED Green 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 successfully started its fan and confirmed safe airflow, meaning it is currently in its normal startup sequence or operation mode. (As reported on Baxi Solo PF)
Pick your boiler brand for the Fan/Flue LED Green fix
Source
Information for the Fan/Flue LED Green 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