RED & GREEN lights OFF High

Boiler Fault Code RED & GREEN lights OFF

Also written as REDGREENLIGHTSOFF — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code RED & GREEN lights OFF 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 has no power, which usually means the electricity supply has been cut off or a fuse has blown inside the unit. (As reported on Potterton Suprima HE)

Pick your boiler brand for the RED & GREEN lights OFF fix

Source

Information for the RED & GREEN lights OFF 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