High
8.3 on Chaffoteaux Britony II 50FF

Your boiler is failing to keep its small starter flame lit, which prevents the main system from firing up to provide you with heating or hot 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 will not stay alight

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

8.1View →8.2View →

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