BoilerFaultCodes Burner ON neon (green) Low
Boiler Fault Code Burner ON neon (green)
Also written as BURNERONNEONGREEN — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Burner ON neon (green) 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 operating exactly as it should and is successfully firing up to heat your water or radiators. (As reported on Halstead Buckingham 4)
Pick your boiler brand for the Burner ON neon (green) fix
Source
Information for the Burner ON neon (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