Medium
EE0088 on Ariston Genus 27

Your boiler has lost communication with the temperature sensor that monitors your underfloor heating, meaning it cannot safely regulate the floor's warmth.

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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