How much does it cost to fix boiler error code Red LED illuminated?

Typical repair cost for the boiler Red LED illuminated fault is £0-80 including labour.

Red LED illuminated High

Boiler Fault Code Red LED illuminated

Also written as REDLEDILLUMINATED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code Red LED illuminated appears across 3 boiler brands and 4 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 is too low for the system to run safely. (As reported on Vokera Compact HE)

Pick your boiler brand for the Red LED illuminated fix

Halstead Red LED illuminated 1 model Potterton Red LED illuminated 1 model Vokera Red LED illuminated 2 models

Source

Information for the Red LED illuminated 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 31 August 2026