Thanks for the quick reply. Yes I can connect to the AVR using the App, as wel as via the XML api, using the IP I entered. The "IP Control" setting on the AVR is "Always on". I've changed the list of sources, my exact model (Marantz SR6010) isn't listed in one of the sheet, but the previous and ...

I have trouble getting the plugin to work.
The plugin is available in the Hardware Dropdown List (Denon / Marantz AVR Amplifier) but when I try to Add it nothing happens.
The log shows no related error messages.

Plugin version 2.5.5 , Domoticz version 3.7450

Any ideas of what might be the cause?