How much does it cost to fix boiler error code Orange light (single)?

Typical repair cost for the boiler Orange light (single) fault is £90-180 including labour.

Orange light (single) High

Boiler Fault Code Orange light (single)

Also written as ORANGELIGHTSINGLE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Orange light (single) appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your back boiler is receiving a permanent power signal, which usually means the external controls or the internal wiring are telling it to run even when it shouldn't. (As reported on Baxi Bermuda 60/4)

Pick your boiler brand for the Orange light (single) fix

Baxi Orange light (single) 2 models

Source

Information for the Orange light (single) 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