How much does it cost to fix Ariston error code EE 0077?

Typical repair cost for the Ariston EE 0077 fault is £120-180 including labour.

EE 0077 High

Ariston EE 0077 Fault Code

Q: What does the Ariston EE 0077 fault code mean?

Your boiler's temperature sensor is sending an incorrect electrical signal, which is preventing it from safely heating your water or home.

Also written as EE0077 — same fault.

The Ariston EE 0077 fault code means: your boiler's temperature sensor is sending an incorrect electrical signal, which is preventing it from safely heating your water or home.. It appears on 4 Ariston models in our database.

Technical description: Heating flow temperature probe in short-circuit

Typical repair cost £120-180 (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 EE 0077 fault code

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

Source

Ariston EE 0077 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