Green zone; end of green zone High

Boiler Fault Code Green zone; end of green zone

Also written as GREENZONEENDOFGREENZONE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Green zone; end of green zone appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to light or keep its main flame burning steadily, which is preventing it from heating properly. (As reported on Remeha Gas 610 Eco Pro)

Pick your boiler brand for the Green zone; end of green zone fix

Source

Information for the Green zone; end of green zone 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