Boiler Fault Code Oil odours

Also written as OILODOURS — same fault.

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

Fault code Oil odours 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 You can smell heating oil near your boiler, which usually indicates a fuel leak that needs urgent attention to prevent damage or fire risk. (As reported on Grant Vortex Blue)