Boiler Fault Code Burner lockout indicator (red)

Also written as BURNERLOCKOUTINDICATORRED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code Burner lockout indicator (red) 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 has stopped working because it failed to ignite, which could be due to a gas supply issue, a lack of water pressure, or an internal mechanical fault. (As reported on Vaillant Turbomax VUW 242/1)