BoilerFaultCodes Boiler On (Orange LED) Low
Boiler Fault Code Boiler On (Orange LED)
Also written as BOILERONORANGELED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Boiler On (Orange 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 normally and the orange light simply indicates that the burner is currently lit and heating your water. (As reported on Baxi Solo PF)
Pick your boiler brand for the Boiler On (Orange LED) fix
Source
Information for the Boiler On (Orange 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