BoilerFaultCodes Ignition indicator High
Boiler Fault Code Ignition indicator
Also written as IGNITIONINDICATOR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Ignition 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 struggling to light the burner, meaning it is currently unable to produce heat or hot water. (As reported on Vaillant Turbomax VU 182)
Pick your boiler brand for the Ignition indicator fix
Source
Information for the Ignition 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