What does the Potterton Lockout fault code mean?

Your boiler has detected a safety issue and has shut itself down to prevent damage, meaning it needs a simple manual reset to try and start up again.

How much does it cost to fix Potterton error code Lockout?

Typical repair cost for the Potterton Lockout fault is £120-250 including labour.

Indicator light on the control panel signaling a safety shutdown of the burner sequence, requiring a reset via the Reset Button.

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.