High
A06 on Ferroli Arena 30A

Your boiler is failing to stay lit because it cannot draw in enough air or push out exhaust fumes correctly, which has caused it to shut down for safety.

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 following the ignition phase. Possible cause: Air/flue pipes blocked.

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

A01View →A02View →

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