Weintek Emt3070A Graphic Hmi Panel (Display Not Working)

Weintek Emt3070A Graphic Hmi Panel (Display Not Working)
weintek
emt3070a
weintek labs., inc
input power:24vdc+-20%
maximum power consumption: 400ma@24vdc class2
operating temperature -20~50ºc
operation humidity:10-90%rh(non-condensing)
can bus
com3[rs485]
com1[rs485 2/4w]
com1[rs232]
com3[rs232]
made in taiwan
weight: 870gm