Could be over-volts. Plug a 100 watt lamp into the outlet of the Unit and measure the voltage, should be a nominal 240v. Lower by about 10 volts wont matter but anything over 250 v needs attention.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
What’s happening in VR right now: From psychedelic art to combat therapy
Siri not working? Try these troubleshooting fixes
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.