B315s-936

[Luvers]

I have a B315s-936, it only stay switched on for 2min then goes off, what could the problem be.

 

[sajunky]

Check your power supply whether it gives 12V under full load 1A for more than 2 minutes.
You can also connect some other 12V/1A power supply from other routers to check whether your PSU is working correctly.