What does the Biasi E25 + RESET fault code mean?

Your boiler has detected an unsafe flame or burning pattern and has shut itself down to prevent damage or dangerous fumes.

How much does it cost to fix Biasi error code E25 + RESET?

Typical repair cost for the Biasi E25 + RESET fault is £120-350 including labour.

Abnormal combustion operation lock

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

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.

7 signs repair isn't worth it anymore.