Medium
7 + on Biasi Antares Combi

Your boiler is struggling to accurately measure the temperature of your hot water due to a faulty internal sensor.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

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

D.H.W. NTC probe failure / Hot water tank sensor failure.

Engineer required

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

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