From what you report it seems the 'box' is sensitive to voltage spikes- more so than TV and computer.
Invest and an anti surge connector strip available in all electrical outlets.
connect all the 'viewing' devices to it, Free View Box,Recorder, TV
Hands-on: Acer Predator Triton 700 review
1995-2015: How technology has changed the world in 20 years
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.