What does the Biasi Flame detection error fault code mean?

Your boiler has failed to light or cannot detect a flame, meaning it will not provide heating or hot water until the issue is resolved.

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

Typical repair cost for the Biasi Flame detection error fault is £100-280 including labour.

Check if your gas supply is active by testing another gas appliance like a hob.

Flame detection error

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

Almost always a stuck diverter valve on combis.

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.