BoilerFaultCodes Green 'Flame' led Low
Boiler Fault Code Green 'Flame' led
Also written as GREENFLAMELED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Green 'Flame' led 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 is operating exactly as it should and has successfully lit the flames to provide you with heat and hot water. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the Green 'Flame' led fix
Source
Information for the Green 'Flame' led 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