Explosion at burner Emergency

Ferroli Explosion at burner Fault Code

Also written as EXPLOSIONATBURNER — same fault.

The Ferroli Explosion at burner fault code means: your boiler is struggling to light its flame smoothly, causing a small, audible 'thump' or pop when the gas finally catches. this indicates a combustion issue that requires immediate professional attention to ensure the system is burning safely.. It appears on 1 Ferroli model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Delay on ignition. Possible causes: Insufficient gas pressure, boiler shell dirty.
Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ferroli models that show the Explosion at burner fault code

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

Source

Ferroli Explosion at burner fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026