Emergency
Burner does not ignite on Worcester Bosch Greenstar 15i System

Your boiler is failing to start because it is not receiving or burning gas as it should.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description

Gas supply problem, faulty gas valve, or faulty control board

Engineer required

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

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