Boiler Fault Code SERVICE DUE

Also written as SERVICEDUE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code SERVICE DUE appears across 1 boiler brand and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is working correctly, but it has reached its annual anniversary and is reminding you that a routine safety check and service are now required. (As reported on Ideal Logic Code Combi ESP1)