é2 Unknown

Baxi é2 Fault Code

Also written as 2 — same fault.

The Baxi é2 fault code indicates a fault on your boiler. It appears on 2 Baxi models in our database.

Technical description: Error

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Baxi models that show the é2 fault code

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

Source

Baxi é2 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026