F01 High

Ferroli F01 Fault Code

The Ferroli F01 fault code means: your boiler has stopped working because it has failed to light the burner, meaning you currently have no heating or hot water.. It appears on 6 Ferroli models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Fault codes (See chap. 1.6 or 3.0) (Displays relevant fault code)
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 F01 fault code

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

Source

Ferroli F01 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