As I am trying to troubleshoot this wonderful device, I feel like I am getting nowhere. The ground fault issue is gone and now it will not ramp up over 4Hz. Have the command power set to 60Hz and it continues to tell me "Current Limit". Going behind operators who have done a ton of shutting it on and off to see if they can reset it to work. Ran through the parameters and everything is back to the default settings. Any advice out there?