have you tried typing X and then the value, Y, then the value, Z then the value. If the 3D window is active your cursor will move to that point in space.
Check where you are moving from, relative or absolute coordinates.
HTH
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"
