BoilerFaultCodes Burner Lit Low
Boiler Fault Code Burner Lit
Also written as BURNERLIT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Burner Lit 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 normally and the burner light confirms that it is successfully heating your water or home. (As reported on Glow-worm Micron 50FF)
Pick your boiler brand for the Burner Lit fix
Source
Information for the Burner Lit 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 7 July 2026