How much does it cost to fix Ariston error code EE 3333?

Typical repair cost for the Ariston EE 3333 fault is £150-300 including labour.

EE 3333 Medium

Ariston EE 3333 Fault Code

Q: What does the Ariston EE 3333 fault code mean?

Your boiler's internal fan is spinning even though you aren't trying to use your heating or hot water, which suggests a possible electronic sensor error.

Also written as EE3333 — same fault.

The Ariston EE 3333 fault code means: your boiler's internal fan is spinning even though you aren't trying to use your heating or hot water, which suggests a possible electronic sensor error.. It appears on 4 Ariston models in our database.

Technical description: Fan operation sensed with no demand for central heating or domestic hot water

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 EE 3333 fault code

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

Source

Ariston EE 3333 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