028 High
Boiler Fault Code 028
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 028 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 has stopped working because it cannot detect that the internal fan, which is essential for safely venting exhaust gases, is spinning correctly. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the 028 fix
Source
Information for the 028 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