Originally Posted by
mactec54
Tewpawn
R & S is correct & ( E or 9 in some cases )for Ground wire, do not put a jumper or anything or you will smoke the Drive, have you used my settings, or some other settings, you must run/have a Earth/Ground from the spindle to the Drive connected to the same Ground terminal that the input Ground is connected to, shielded cable for the spindle to VFD is best, for this type of install, so you need a 4 wire cable with a shield
How many amps is your input supply capable of, try starting the spindle with the pot turned down
You need to use my settings as some of the others that have posted settings, are incomplete