Help needed; New Nucleus+ Rev A not found on network

[Geoff_Coupe]

That IP address is, I think, unusual for home networks. Perhaps it has been set to use a static IP address, and is not picking up a fresh address from your home network. You could try this:

Wrong static IP address - how to recover

Hi @Michel_Maquet, Can you connect the Nucleus to a monitor via HDMI and a Keyboard via USB? After this type press ENTER, type resetnetwork and then press ENTER again. This should reset the network settings for you.