Quote Originally Posted by mactec54 View Post
Sounds like you have to much Gain on the servo as well it should not be making that noise, so you have work to do with your Drive setup
That noise comes from the servo drives external cooling fan. It runs like crazy. The drive and servo runs very quiet without that unit. Maybe I should unplug its socket. There is also 2 fans in the cabined. One blows in and the other blows out.