How much does it cost to fix boiler error code Burner Lockout?

Typical repair cost for the boiler Burner Lockout fault is £120-250 including labour.

Burner Lockout High

Boiler Fault Code Burner Lockout

Also written as BURNERLOCKOUT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Burner Lockout appears across 3 boiler brands and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has failed to light the flame properly and has turned itself off for safety, meaning you currently have no heating or hot water. (As reported on Worcester Bosch 26 CDi Xtra)

Pick your boiler brand for the Burner Lockout fix

Firebird Burner Lockout 3 models Potterton Burner Lockout 1 model Worcester Bosch Burner Lockout 2 models

Source

Information for the Burner Lockout 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