Medium
2 05 on Ariston E-Combi One 24

Your boiler is having trouble measuring the temperature of the water coming from your solar thermal system or incoming supply, which can affect how your hot water is heated.

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

DHW In Probe Open Circuit (Solare temp. probe)

Engineer required

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

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