High
003 on Ideal Maximiser SE

Your boiler is trying to start but the flame is not catching or staying lit, so it has shut down for safety to prevent gas from escaping unburnt.

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 detection

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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