busellato optima cnc

i bought a second hand optima cnc machine.
when i start up the genesis program i get a communication driver fault saying "the numerical drives TPA is not connected". how can i fix this problem. this is my first cnc and there is no user manual with it. thanks for any help

Hi. i see you own a busellato optima. im looking at buying a 1997 model. What ARE your thoughts. please help.

please help me. im looking at buying a 1997 busellato. are they good machines.