Oil smells Emergency

Boiler Fault Code Oil smells

Also written as OILSMELLS — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Oil smells appears across 2 boiler brands and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning You have likely developed a leak in your fuel delivery system or burner which is causing a strong smell of heating oil in or around your home. (As reported on Grant Vortex Blue)

Pick your boiler brand for the Oil smells fix

Source

Information for the Oil smells 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