Boiler Fault Code Burner reset light orange/green fast flash (0.2s)

Also written as BURNERRESETLIGHTORANGEGREENFASTFLASH02S — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code Burner reset light orange/green fast flash (0.2s) appears across 2 boiler brands 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 detected an unstable electrical supply, meaning the power entering the unit is either too high or too low for it to operate safely. (As reported on Grant Vortex Blue)