What does the Biasi Faulty flame detection fault code mean?

Your boiler is struggling to confirm that the gas has successfully lit, so it has shut down as a safety precaution.

How much does it cost to fix Biasi error code Faulty flame detection?

Typical repair cost for the Biasi Faulty flame detection fault is £90-180 including labour.

Faulty detection electrode, its wiring or connection

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.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.