E02 High

Baxi E02 Fault Code

The Baxi E02 fault code means: your boiler has detected that the internal mechanism responsible for moving water around your heating system is not working correctly, which will stop your radiators and hot water from warming up.. It appears on 1 Baxi model 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: Pump
Typical repair cost £180-350 (including labour)

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 E02 fault code

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

Source

Baxi E02 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 7 July 2026