How much does it cost to fix Ariston error code E 06?

Typical repair cost for the Ariston E 06 fault is £90-160 including labour.

E 06 High

Ariston E 06 Fault Code

Q: What does the Ariston E 06 fault code mean?

Your boiler has detected that a temperature sensor responsible for your heating water is disconnected or faulty, which is preventing the system from warming up properly.

Also written as E06 — same fault.

The Ariston E 06 fault code means: your boiler has detected that a temperature sensor responsible for your heating water is disconnected or faulty, which is preventing the system from warming up properly.. It appears on 7 Ariston models in our database.

Technical description: Open circuit on heating outlet sensor

Typical repair cost £90-160 (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 E 06 fault code

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

Source

Ariston E 06 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