What does the Biasi An 11 fault code mean?

Your boiler is struggling to light its burner or cannot detect that a flame has been successfully lit, preventing it from heating your water.

How much does it cost to fix Biasi error code An 11?

Typical repair cost for the Biasi An 11 fault is £90-280 including labour.

Check if other gas appliances, like your hob, are working to ensure gas is reaching the property.

Flame detection error (An flashing + number error flashing

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.