What does the Worcester Bosch E9 276 fault code mean?

Your boiler has shut down because it has detected that the water inside it has become too hot.

How much does it cost to fix Worcester Bosch error code E9 276?

Typical repair cost for the Worcester Bosch E9 276 fault is £120-£350 including labour.

Check that your radiator valves are open to allow water to flow

Primary flow temperature exceeded 95°c

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.