BoilerFaultCodesFerroli A Fault Code
The Ferroli A fault code indicates a fault on your boiler. It appears on 2 Ferroli models in our database.
Technical description: Burner shutdown signalled by the special indicator
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 A fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ferroli A 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 31 August 2026