SERVICE Low
Boiler Fault Code SERVICE
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code SERVICE 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 reached its scheduled maintenance interval and is simply reminding you that it is time for a professional annual service. (As reported on Grant Spira)
Pick your boiler brand for the SERVICE fix
Source
Information for the SERVICE 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