ORANGE blinking Low

Boiler Fault Code ORANGE blinking

Also written as ORANGEBLINKING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code ORANGE blinking appears across 1 boiler brand and 5 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 just waking up and going through a brief safety check before it ignites the flame to start heating your home. (As reported on Grant Vortex Eco)

Pick your boiler brand for the ORANGE blinking fix

Grant ORANGE blinking 5 models

Source

Information for the ORANGE blinking 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