How much does it cost to fix boiler error code Flashing orange LED?

Typical repair cost for the boiler Flashing orange LED fault is £120-250 including labour.

Flashing orange LED High

Boiler Fault Code Flashing orange LED

Also written as FLASHINGORANGELED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Flashing orange LED appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to move water through your heating system, which means it has stopped heating your home or water to prevent damage. (As reported on Sime Ecomfort System 25 HE)

Pick your boiler brand for the Flashing orange LED fix

Sime Flashing orange LED 3 models

Source

Information for the Flashing orange 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 7 July 2026