Medium
EE0044 on Ariston Genus 27

Your boiler is unable to read the temperature of the water coming out of your taps, which means it cannot heat your hot water 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

Domestic hot water 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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