How much does it cost to fix Grant error code No fuel supply?

Typical repair cost for the Grant No fuel supply fault is £90-180 including labour.

No fuel supply High

Grant No fuel supply Fault Code

Q: What does the Grant No fuel supply fault code mean?

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.

Also written as NOFUELSUPPLY — same fault.

The Grant No fuel supply fault code means: 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.. It appears on 1 Grant model in our database.

Technical description: Insure that an adequate supply of fuel is available and that the fuel supply valve is open – check the condition of the fuel filter and clean if necessary, ensure fuel supply is reaching burner and vent pump

Typical repair cost £90-180 (including labour)

DIY fix possible

Check your oil tank gauge to ensure you haven't run out of fuel.Verify that the fuel isolation valve on the oil line is in the 'Open' position.Inspect the external fire valve (usually near the boiler) and ensure it hasn't tripped.

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Grant models that show the No fuel supply fault code

Click a model for the full fault code list and model-specific repair notes.

Vortex Blue Repair: £90-180

Source

Grant No fuel supply fault code information on this page is sourced and cross-checked against the official Grant service / installation manuals for each affected model.

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