How much does it cost to fix Grant error code Burner?

Typical repair cost for the Grant Burner fault is £100-350 including labour.

Burner High

Grant Burner Fault Code

Q: What does the Grant Burner fault code mean?

Your boiler's burner has shut itself down for safety and needs to be restarted manually.

Also written as BURNER — same fault.

The Grant Burner fault code means: your boiler's burner has shut itself down for safety and needs to be restarted manually.. It appears on 1 Grant model in our database.

Technical description: Check the burner lockout reset button is lit, if yes press the reset button to start the burner if burner fails call an engineer

Typical repair cost £100-350 (including labour)

DIY fix possible

Locate the burner reset button on the front of the burner unitPress the illuminated reset button once and release itWait to see if the burner fires up and stays running

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Grant models that show the Burner fault code

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

Vortex Blue Repair: £100-350

Source

Grant Burner 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