Please try this command.
setterm -blank 0 -powerdown 0
Source: https://wiki.archlinux.org/index.php/Display_Power_Management_Signaling#Disable_screen_saver_blanking
Please try this command.
setterm -blank 0 -powerdown 0
Source: https:/ /wiki.archlinux .org/index. php/Display_ Power_Managemen t_Signaling# Disable_ screen_ saver_blanking