howdy all i hav some noob Questions i changed Anet a8's main board to

howdy all
i hav some noob Questions

i changed Anet a8’s main board to MKS gen 1.4
but Z2 dindt move
i swaped electric wire Z to Z2
and Z2 to Z
and now Z2 moving on Z didnt move

useing Marlin firmwere.
sorry my eng hehehe