Hi Martin,
I confirmed with my multimeter that the power cable is putting out the correct voltage (I recall 19 volts) and the plug fits securely into the unit.
I purchased the unit in January 2021 from Kevin McEvoy who owns a Home Theatre business in Florida.
I did notice an electrical smell coming from my audio rack. All other units are functioning so it might have been a circuit in the Roon. Although it continued to work until the next day.
It is plugged into a Furman 15i power conditioner.
I’m pretty handy so maybe they could just send a replacement for the circuit assembly inside the unit?
Thanks,
JS