How much does it cost to fix Ferroli error code 26?

Typical repair cost for the Ferroli 26 fault is £100-£280 including labour.

26 High

Ferroli 26 Fault Code

Q: What does the Ferroli 26 fault code mean?

Your boiler is not able to light the gas to start the heating process, which is often caused by a fuel supply issue or a faulty ignition component.

The Ferroli 26 fault code means: your boiler is not able to light the gas to start the heating process, which is often caused by a fuel supply issue or a faulty ignition component.. 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 emergency control valve (at the meter) is in the 'on' positionEnsure the gas isolation valve under the boiler is fully openPress the Reset button on the control panel to attempt a restart

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Ferroli models that show the 26 fault code

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

Source

Ferroli 26 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