What does the Worcester Bosch EA 261 fault code mean?

Your boiler is trying to start but cannot detect a flame, so it has safely shut itself down to prevent gas buildup.

How much does it cost to fix Worcester Bosch error code EA 261?

Typical repair cost for the Worcester Bosch EA 261 fault is £150-300 including labour.

Ignition timing error - Flame not established during the first 4 seconds ignition period.

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.

Older boilers — thermocouple, draught, gas supply.

Safety-critical — turn off, read this.