big problems with my hexapod ax12

[abd_elrahman zaghloul]

i bought a new hexapod last month,after i assembled it, it did not
move i went to forums and searched i find that i should upload the
program again to my arbotix and i did but my robot did not respond
again my questions are:
1- what i shall do ( i need steps please)
2- how can i test my arbotix ( i put a program of led blinking on my
arbotix but it did not respond)
3- when i try to connect to my arbotix with pypose (through ftdi or
xbee) it give message that it failed to cooect to motor with id 1 for
example till 18
4-how to test my xbee
please help me because iam new to feild and iam stuck in this point
from last month