GREEN LED FLASHING Low

Boiler Fault Code GREEN LED FLASHING

Also written as GREENLEDFLASHING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code GREEN LED FLASHING appears across 2 boiler brands 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 perfectly healthy and is simply waiting for a signal from your thermostat or hot water tap to start heating. (As reported on Halstead Ace High)

Pick your boiler brand for the GREEN LED FLASHING fix

Halstead GREEN LED FLASHING 1 model Saunier Duval GREEN LED FLASHING 1 model

Source

Information for the GREEN LED FLASHING 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