EE2233 High

Ariston EE2233 Fault Code

The Ariston EE2233 fault code means: your boiler has detected an electrical fault with the sensor that confirms the burner is lit, meaning it cannot safely start up to provide heat or hot water.. It appears on 3 Ariston models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Flame detection electrode short-circuited
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 EE2233 fault code

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

Source

Ariston EE2233 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