BoilerFaultCodes SE Low
Boiler Fault Code SE
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code SE appears across 2 boiler brands and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is simply reminding you that its annual service is due soon; it is a notification rather than a breakdown. (As reported on Ideal Logic Code Combi ESP1)
Pick your boiler brand for the SE fix
Source
Information for the SE 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