OSMC 4k+ Shutting Down

I’m noticing my V4k+ is off sometimes in the evening but moving the power cable turns it back on. Is there a good way to diagnose if the problem is the cable or the player? If it matters, the plus sign on the front of the Vero is red and then it turns off completely (it usually is off)

Thanks!

Could be a loose cable. If you jiggle the cable a bit does it reboot the device?