What does the Worcester Bosch E9 276 fault code mean?

Your boiler has shut down because it has become too hot internally and needs to cool down for safety.

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 if 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.