What does the Ideal L F fault code mean?

Your boiler has failed to light the flame or keep it running, so it has safely shut itself off to prevent gas build-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.

If the boiler does not light after 3 attempts the fault code LF will be displayed (Ignition lockout).

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.