Boiler Fault Code No fuel supply

Also written as NOFUELSUPPLY — same fault.

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

Fault code No fuel supply 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 is unable to pull oil from the tank to create a flame, likely because the fuel is low or a valve is closed. (As reported on Grant Vortex Blue)