How much does it cost to fix Ferroli error code E01?

Typical repair cost for the Ferroli E01 fault is £120-250 including labour.

E01 High

Ferroli E01 Fault Code

Q: What does the Ferroli E01 fault code mean?

Your boiler has failed to light the flame, which means you currently have no heating or hot water until the ignition process is corrected.

The Ferroli E01 fault code means: your boiler has failed to light the flame, which means you currently have no heating or hot water until the ignition process is corrected.. It appears on 10 Ferroli models in our database.

Technical description: Ignition failure: Check gas supply, flame electrode and wiring, and control board

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 E01 fault code

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

Source

Ferroli E01 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