Medium
2 05 on Ariston Egis

Your boiler's optional solar water heating sensor is disconnected or faulty, which may prevent your hot water from heating 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

DHW In Probe Open Circuit - Solar Kit (optional)

Engineer required

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

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