BoilerFaultCodes Bar LED Flashing High
Boiler Fault Code Bar LED Flashing
Also written as BARLEDFLASHING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Bar LED Flashing appears across 1 boiler brand 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 stopped working because the water pressure inside the heating system has dropped too low to operate safely. (As reported on Heatline Capriz 24)
Pick your boiler brand for the Bar LED Flashing fix
Source
Information for the Bar LED 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