Why does my LG4 keep on turn off and on?

[rhicho]

why my lg4 is keep on turn off and on ?

I don't know what should we call this but my phone is keep turn in on and off and I do nothing its just keep continue... ?

 

[B. Diddy]

Re: why my lg4 is keep on turn off and on ?

Welcome to Android Central! Is it actually powering down, then rebooting constantly? Or is it just the screen that's turning off then on again?