Emergency
364 on Worcester Bosch Greenstar 8000 Style

Your boiler has detected an internal issue where a component responsible for controlling the fuel supply is failing to shut off correctly.

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

Solenoid valve ev2 leaking.

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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Related fault codes

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