What does the Grant Boiler Fault Finding 3 fault code mean?

Your boiler has failed to ignite even though it has power and fuel, so it has safely shut itself down to prevent any issues.

How much does it cost to fix Grant error code Boiler Fault Finding 3?

Typical repair cost for the Grant Boiler Fault Finding 3 fault is £120-250 including labour.

Burner not starting - fuel and electricity supplies present. Press the reset button on the burner if lit on the control box.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Each noise points to a different fault.

Work through these before the call-out.

Lockout fault with a reset-needed pattern.