How much does it cost to fix boiler error code LED5 bar (Flashing)?

Typical repair cost for the boiler LED5 bar (Flashing) fault is £80-150 including labour.

LED5 bar (Flashing) High

Boiler Fault Code LED5 bar (Flashing)

Also written as LED5BARFLASHING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code LED5 bar (Flashing) 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 has stopped heating because the water pressure inside the system has dropped too low to operate safely. (As reported on Ferroli Domina 102)

Pick your boiler brand for the LED5 bar (Flashing) fix

Ferroli LED5 bar (Flashing) 1 model

Source

Information for the LED5 bar (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