High
Flame loss on Potterton Envoy 30

Your boiler is trying to start but the flame is cutting out immediately, which means it cannot safely keep the heating or hot water running.

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

Flame loss after initial detection See chart

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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