High
A. (3) on Potterton Kingfisher 2

Your boiler is unable to start up because the small flame that acts as a trigger is being blocked from lighting, which means the boiler cannot heat your home or water.

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

Pilot fails to light - Blocked Pilot Injector.

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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