Medium
Er 06 on Biasi Advance 25C

Your boiler is having trouble measuring the temperature of your hot water, which usually results in the water being stone cold or not reaching the right temperature.

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. temperature probe NTC fault

Engineer required

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

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