How much does it cost to fix boiler error code Fixed red LED?

Typical repair cost for the boiler Fixed red LED fault is £150-300 including labour.

Fixed red LED High

Boiler Fault Code Fixed red LED

Also written as FIXEDREDLED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fixed red LED appears across 1 boiler brand 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 circulating water because a critical internal component is stuck, meaning you currently have no heating or hot water. (As reported on Alpha Intec 28GS)

Pick your boiler brand for the Fixed red LED fix

Alpha Fixed red LED 4 models

Source

Information for the Fixed red LED 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