BoilerFaultCodes Burner On (Green Light) Low
Boiler Fault Code Burner On (Green Light)
Also written as BURNERONGREENLIGHT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Burner On (Green Light) 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 is working normally and is currently firing to heat your radiators or hot water. (As reported on Potterton Promax FSB 30HE)
Pick your boiler brand for the Burner On (Green Light) fix
Source
Information for the Burner On (Green 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