Boiler Fault Code Ignition indicator

Also written as IGNITIONINDICATOR — same fault.

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

Fault code Ignition 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 attempting to light the flame, but it is not staying lit or detecting the burner, which prevents your heating and hot water from working. (As reported on Vaillant Turbomax 242/282 1E)