Router got disconnected automatically

Hello,

I have CCR1016-12G router in my network. When we access this router through winbox v6.5 , router got disconnected automatically within 2-3 min. there is link connectivity issue in between my system to router.

can anyone suggest the exact cause can be . I also attached the screen shot for ready ref..


Regards,
Mak
Deco_router.png

Is there any packet loss when you ping the router from the computer?
Are you connected directly when it happens, or are there any devices in the middle?