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

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

Sensor Fault High

Boiler Fault Code Sensor Fault

Also written as SENSORFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Sensor Fault appears across 2 boiler brands 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 accurately measure the temperature of the water, which means it has stopped heating because it is unsure if it is safe to do so. (As reported on Worcester Bosch 26 CDi Xtra)

Pick your boiler brand for the Sensor Fault fix

Potterton Sensor Fault 1 model Worcester Bosch Sensor Fault 2 models

Source

Information for the Sensor Fault 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