Live & Neutral Reversed Emergency

Baxi Live & Neutral Reversed Fault Code

Also written as LIVENEUTRALREVERSED — same fault.

The Baxi Live & Neutral Reversed fault code means: your boiler has detected that its electrical power supply wires have been connected in the wrong order, which is a significant safety risk.. It appears on 3 Baxi models in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Incoming Live and Neutral reversed.
Typical repair cost £90-160 (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 Live & Neutral Reversed fault code

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

Source

Baxi Live & Neutral Reversed 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 27 April 2026