What does the Ferroli Boiler locked-out fault code mean?

Your boiler has shut itself down as a safety precaution and needs a manual reset to try and start up again.

How much does it cost to fix Ferroli error code Boiler locked-out?

Typical repair cost for the Ferroli Boiler locked-out fault is £100-250 including labour.

Check that the gas supply valve near the boiler and your gas meter are both in the 'on' position

Check if the gas isolation valve upstream of the boiler and on the counter are open. Turn knob “A” Fig. 1 to “Reset” and then release it.

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.