BoilerFaultCodes Flame indicator Low
Boiler Fault Code Flame indicator
Also written as FLAMEINDICATOR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Flame indicator appears across 1 boiler brand 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 is operating normally and has successfully lit the flame to start heating your home or water. (As reported on Vaillant Turbomax VU 182)
Pick your boiler brand for the Flame indicator fix
Source
Information for the Flame indicator 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