Medium
3 0 4 on Ariston HS Premium

Your boiler has been manually reset too many times in a short period, so it has locked itself out to prevent potential damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Too much RESET

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

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