Boiler Fault Code Flame indicator

Also written as FLAMEINDICATOR — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code Flame indicator appears across 1 boiler brand 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 working exactly as it should and has successfully lit the flame to heat your water or home. (As reported on Vaillant Turbomax 242/282 1E)