How much does it cost to fix Ariston error code 6 P2?

Typical repair cost for the Ariston 6 P2 fault is £150-300 including labour.

6 P2 High

Ariston 6 P2 Fault Code

Q: What does the Ariston 6 P2 fault code mean?

Your boiler is struggling to detect the necessary airflow to safely operate, causing it to shut down to prevent potential issues.

Also written as 6P2 — same fault.

The Ariston 6 P2 fault code means: your boiler is struggling to detect the necessary airflow to safely operate, causing it to shut down to prevent potential issues.. It appears on 1 Ariston model in our database.

Technical description: APS close-open

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 6 P2 fault code

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

Clas System 28 Repair: £150-300

Source

Ariston 6 P2 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