High
E 18 on Ariston Euro Combi 30 MFFI

Your boiler is struggling because the gas flame is jumping away from the burner, which indicates an issue with the air supply or gas pressure balance.

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 lift

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

E 05View →

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