What does the Grant Lockout fault code mean?

Your boiler has stopped working to protect itself and needs a manual reset to try and start up again.

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

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

Locate the red reset button on the burner control box

Lockout button (on control box) lit. Press 'Lockout' button to reset burner.

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.

Each noise points to a different fault.

Safety-critical — turn off, read this.