How much does it cost to fix boiler error code 287?

Typical repair cost for the boiler 287 fault is £150-250 including labour.

287 High

Boiler Fault Code 287

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code 287 appears across 2 boiler brands and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an issue with the sensor that confirms the burner flame is lit, preventing it from safely starting up. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the 287 fix

Navien 287 1 model Worcester Bosch 287 1 model

Source

Information for the 287 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 31 August 2026