F10-F22 High

Ferroli F10-F22 Fault Code

Also written as F10F22 — same fault.

The Ferroli F10-F22 fault code means: your boiler’s internal computer is experiencing a temporary glitch or a major software failure, meaning it cannot safely control the heating or hot water systems.. 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: Microprocessor trouble
Typical repair cost £200-450 (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 F10-F22 fault code

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

Source

Ferroli F10-F22 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