High
5 P3 on Ariston E-Combi Evo

Your boiler has stopped during operation because it lost the flame needed to heat your water, which can happen if the gas supply is interrupted or the air intake is blocked.

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 cut-off

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

5 P1View →5 P2View →501View →

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