What does the Ideal L F fault code mean?

Your boiler is struggling to keep its flame lit or cannot detect the flame, so it has safely shut itself down to prevent gas from building up.

How much does it cost to fix Ideal error code L F?

Typical repair cost for the Ideal L F fault is £150-300 including labour.

ALTERNATING 'L' 'F' GO TO FRAME 74

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.