What does the Baxi E.04 – .04 fault code mean?

Your boiler has detected a problem with the sensor that monitors exhaust gas temperatures, causing the system to shut down for safety.

How much does it cost to fix Baxi error code E.04 – .04?

Typical repair cost for the Baxi E.04 – .04 fault is £100-£180 including labour.

Permanent fault. Flue temperature sensor short-circuited, sensor not or badly connected, bad connection or sensor fault.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Work through these before the call-out.

Lockout fault with a reset-needed pattern.

Safety-critical — turn off, read this.