Steady blue Low

Boiler Fault Code Steady blue

Also written as STEADYBLUE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Steady blue 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 is currently in a manual reset mode and simply needs you to confirm you want it to restart. (As reported on Worcester Bosch Greenstar 25CDi)

Pick your boiler brand for the Steady blue fix

Source

Information for the Steady blue 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