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

Typical repair cost for the Grant Burner pulses fault is £120-280 including labour.

Burner pulses High

Grant Burner pulses Fault Code

Q: What does the Grant Burner pulses fault code mean?

Your boiler is struggling to breathe properly, causing the flame to flicker irregularly and the unit to vibrate.

Also written as BURNERPULSES — same fault.

The Grant Burner pulses fault code means: your boiler is struggling to breathe properly, causing the flame to flicker irregularly and the unit to vibrate.. It appears on 1 Grant model in our database.

Technical description: Insufficient air supply – check the air damper setting and the condition of the fan, check room ventilation

Typical repair cost £120-280 (including labour)

DIY fix possible

Check that any external balanced flue terminals are not blocked by leaves, debris, or snowEnsure any air bricks or ventilation grilles in the room are clean and unobstructedReset the boiler once to see if the issue persists

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Grant models that show the Burner pulses fault code

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

Vortex Blue Repair: £120-280

Source

Grant Burner pulses 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