Check RCU batteries, HDMI-CEC configurationif i enter in the
OpenWebif i can do the sound down and louder abe mit the control i don«t make the sound louder or down or mute
Have you some IR devices around your box that interfer with your box and remote?i did that new batteries und nothing mit the 2 original remot but i trz mit the remot from vu yero and works