How much does it cost to fix boiler error code ORANGE steady ON?

Typical repair cost for the boiler ORANGE steady ON fault is £120-250 including labour.

ORANGE steady ON High

Boiler Fault Code ORANGE steady ON

Also written as ORANGESTEADYON — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code ORANGE steady ON appears across 1 boiler brand and 5 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 receive a stable electrical supply, which is likely being caused by fluctuations in the power coming from your home's mains. (As reported on Grant Vortex Eco)

Pick your boiler brand for the ORANGE steady ON fix

Grant ORANGE steady ON 5 models

Source

Information for the ORANGE steady ON 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