Devices won't startup

On my Oppo 95 and Denon 3312 ci I can’t seem to get the Roomie app to turn them on. I was wondering if this was some sort of silly mistake or is there some settings I’m missing?

The Oppo 95 only supports Power over Serial and IR per the compatibility lists.

The Denon 3312 simply needs Network Standby turned on per the FAQ:

Thank you.