BURNER panel LED flashing fast (2/sec) High
Boiler Fault Code BURNER panel LED flashing fast (2/sec)
Also written as BURNERPANELLEDFLASHINGFAST2SEC — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code BURNER panel LED flashing fast (2/sec) 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's main control board has suffered an internal failure and can no longer safely operate the burner. (As reported on Grant Vortex Blue)
Pick your boiler brand for the BURNER panel LED flashing fast (2/sec) fix
Source
Information for the BURNER panel LED flashing fast (2/sec) 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 7 July 2026