High
EA on Worcester Bosch Greenstar 30si

Your boiler is trying to start up but cannot light the internal flame, so it has shut itself down as a safety precaution.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Flame not detected - appliance has attempted to ignite 5 times and failed

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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