Zenfone 6 Suddenly Shut Down

Taken from http://www.mobile01.com/topietail.p?f=588&t=3908098&r=2&last=50164824
just got zenfone 6 yesterday run very smoothly.
but today found a problem, suddenly shut down. when pressing the power button can not wake up and the indior on the front panel always flashes green lights
alrdy happened twice today.
we would like to ask some people have the same situation ?
here is the :