What does the Johnson Starley E02 fault code mean?

Your boiler has shut down because it has reached an unsafe temperature and needs to be cooled down and reset.

How much does it cost to fix Johnson Starley error code E02?

Typical repair cost for the Johnson Starley E02 fault is £90-180 including labour.

Ensure all radiator valves and boiler bypass valves are open

Safety thermostat intervention

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.

Work through these before the call-out.