BoilerFaultCodes 006 High
Boiler Fault Code 006
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 006 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's computer system has encountered an internal error and cannot safely manage the heating process, meaning the unit will need attention from a professional. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the 006 fix
Source
Information for the 006 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