What does the Worcester Bosch flame lock-out fault code mean?

Your boiler is trying to start but the flame isn't catching, so it has safely shut itself down to prevent gas from building up.

How much does it cost to fix Worcester Bosch error code flame lock-out?

Typical repair cost for the Worcester Bosch flame lock-out fault is £150-350 including labour.

The boiler fails to light and the BLUE power indicator (2) will flash.

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.