How much does it cost to fix Ferroli error code 16?

Typical repair cost for the Ferroli 16 fault is £100-£280 including labour.

16 High

Ferroli 16 Fault Code

Q: What does the Ferroli 16 fault code mean?

Your boiler is unable to start the flame despite trying, usually because gas isn't reaching the burner or the ignition spark is failing.

The Ferroli 16 fault code means: your boiler is unable to start the flame despite trying, usually because gas isn't reaching the burner or the ignition spark is failing.. It appears on 3 Ferroli models in our database.

Technical description: Boiler failed to light. Make sure that the gas isolation valve on the boiler and on the gas meter are open. Press the RESET button (2 Fig. 1).

Typical repair cost £100-£280 (including labour)

DIY fix possible

Check that your gas meter isolation valve is in the 'on' positionEnsure the gas supply lever underneath the boiler is fully openPress the Reset button (labeled 2) once to restart the ignition sequence

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Ferroli models that show the 16 fault code

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

Source

Ferroli 16 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 27 April 2026