BoilerFaultCodes Green light On continuously Low
Boiler Fault Code Green light On continuously
Also written as GREENLIGHTONCONTINUOUSLY — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Green light On continuously appears across 1 boiler brand and 4 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 is successfully heating your home's water or radiators. (As reported on Potterton Prima 30B)
Pick your boiler brand for the Green light On continuously fix
Source
Information for the Green light On continuously 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