How much does it cost to fix Ariston error code A 41?

Typical repair cost for the Ariston A 41 fault is £150-300 including labour.

A 41 High

Ariston A 41 Fault Code

Q: What does the Ariston A 41 fault code mean?

Your boiler has detected an issue with the ventilation system that clears exhaust gases, so it has safely stopped working to prevent any risk.

Also written as A41 — same fault.

The Ariston A 41 fault code means: your boiler has detected an issue with the ventilation system that clears exhaust gases, so it has safely stopped working to prevent any risk.. It appears on 2 Ariston models in our database.

Technical description: Fan error

Typical repair cost £150-300 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ariston models that show the A 41 fault code

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

Euro Combi 30 MFFI Repair: £150-300
Euro Prisma 24 Repair: £150-300

Source

Ariston A 41 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026