High
No oil from nozzle on Worcester Bosch Greenstar 28CDi

Your boiler is failing to light because the fuel supply is interrupted, blocked, or not reaching the burner as it should.

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 oil at pump; Air in pump; Nozzle blocked; Faulty pump or drive

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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Related fault codes

EAView →F7View →

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