What does the Grant Lockout button lit fault code mean?

Your boiler has detected an issue preventing it from lighting and has shut down for safety; it needs a manual reset to try and start again.

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

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

Burner Lockout. Press ‘Lockout’ button to reset burner. If burner does not fire – refer to Section 12.4 Burner Fault Finding.

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.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.