i have a 1983 kitamura mycenter 1 that i purchased, aftter removeing the z axis motor to get it in my garage and after hooking it up to a 15hp phase converter and zero return on y,x,z, i am getting a z axis alarm that has the same program when i bought the machine. i have hit p cancel then power on and then turned off machine and turned it back on and still has z error , is there something that i am missing ,any help would be appreciated. thanks anthony