What does the Heatline E02 fault code mean?

Your boiler has switched itself off because the water inside it has become too hot, usually caused by a blockage or a pump failure.

How much does it cost to fix Heatline error code E02?

Typical repair cost for the Heatline E02 fault is £150-£350 including labour.

Check that all radiator valves are fully open to allow water to flow.

Overheat fault: The safety thermostat has operated due to high water temperature. Check pump operation and system flow.

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.