Heating LED (Green) Low

Boiler Fault Code Heating LED (Green)

Also written as HEATINGLEDGREEN — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Heating LED (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 currently providing heat to your radiators. (As reported on Halstead Ace High)

Pick your boiler brand for the Heating LED (Green) fix

Source

Information for the Heating LED (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