Connection failure with android screens

hello

we have a problem betewen screens and ignition,

we have a 4 screens where I show a data of ignition, this screens have a android systems the modelo is SL490/SL550 brand BENQ, we have a ignition in a virtual server with the following characteristics:

CPU Cores = 8
Sockets = 4
Core per Socket = 2
Memory = 33.17 GB

It’s connects for one or two days after that, he sends connection failure and has done tests all month and I can not find the solution