High
2950 B on Worcester Bosch Danesmoor

Your boiler is failing to light the fuel properly, which is preventing your heating and hot water from working.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

No flame signal. Following starting procedure the burner starts automatically. After cleaning set the correct gas / air ratio correctly

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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