008 High
Boiler Fault Code 008
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 008 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 is failing to confirm that air is moving properly through its internal venting system, preventing it from lighting safely. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the 008 fix
Source
Information for the 008 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