Medium
E08 on Ariston Genus Premium

Your boiler has lost communication with the temperature sensor that monitors your underfloor heating, preventing that system from running safely.

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

Under floor heating temperature probe in open circuit

Engineer required

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

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Related fault codes

E07View →E09View →

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