How much does it cost to fix Ferroli error code F56 – A56?

Typical repair cost for the Ferroli F56 – A56 fault is £90-180 including labour.

F56 – A56 High

Ferroli F56 – A56 Fault Code

Q: What does the Ferroli F56 – A56 fault code mean?

Your boiler has failed to set its own internal settings correctly or forgot its configuration, which means it cannot operate until it is professionally recalibrated.

Also written as F56A56 — same fault.

The Ferroli F56 – A56 fault code means: your boiler has failed to set its own internal settings correctly or forgot its configuration, which means it cannot operate until it is professionally recalibrated.. It appears on 3 Ferroli models in our database.

Technical description: Calibration error / calibration procedure not completed

Typical repair cost £90-180 (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 F56 – A56 fault code

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

Source

Ferroli F56 – A56 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