How much does it cost to fix Ariston error code E 14?

Typical repair cost for the Ariston E 14 fault is £120-220 including labour.

E 14 High

Ariston E 14 Fault Code

Q: What does the Ariston E 14 fault code mean?

Your boiler's temperature sensing probe has likely developed a fault, causing the system to misread the water temperature and shut down for safety.

Also written as E14 — same fault.

The Ariston E 14 fault code means: your boiler's temperature sensing probe has likely developed a fault, causing the system to misread the water temperature and shut down for safety.. It appears on 2 Ariston models in our database.

Technical description: Return sensor short circuit

Typical repair cost £120-220 (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 14 fault code

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

Source

Ariston E 14 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