Emergency
264 / C1 on Worcester Bosch Greenstar CDi Compact

Your boiler has detected that air cannot flow correctly through the system, so it has safely shut down to prevent any risk.

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

Airflow stopped during operation

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

EAView →C6View →A1View →

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