Medium
EE0088 on Ariston Genus Premium

Your boiler has lost connection with the sensor that monitors the temperature of your underfloor heating, which may prevent that specific zone from warming 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

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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