BoilerFaultCodes ECO-button flashing High
Boiler Fault Code ECO-button flashing
Also written as ECOBUTTONFLASHING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code ECO-button flashing 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 has detected a general internal fault and has automatically stopped running to prevent further damage. (As reported on Worcester Bosch ZB 7 27 HE)
Pick your boiler brand for the ECO-button flashing fix
Source
Information for the ECO-button 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 27 April 2026