How much does it cost to fix boiler error code Outside Sensor Failure?

Typical repair cost for the boiler Outside Sensor Failure fault is £120-200 including labour.

Outside Sensor Failure Low

Boiler Fault Code Outside Sensor Failure

Also written as OUTSIDESENSORFAILURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Outside Sensor Failure appears across 1 boiler brand and 1 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 detect the outdoor temperature, so it is running on a default setting instead of adjusting automatically to the weather. (As reported on Ideal Independent)

Pick your boiler brand for the Outside Sensor Failure fix

Ideal Outside Sensor Failure 1 model

Source

Information for the Outside Sensor Failure 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