Medium
7 01 on Ariston Clas HE Evo

Your boiler is having trouble reading the temperature for one of your heating zones, which may stop that specific area of your home from heating up correctly.

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

Zone 2 outgoing sensor defective

Engineer required

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

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Related fault codes

7 02View →7 03View →

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