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General Mach Discussion / Motors are not operating correctly

« on: July 18, 2016, 04:31:08 PM »

I embarked on a cleaning/lubrication routine with my G0704 mill over last weekend. However, when I attempted to jog through each axis there were problems with not moving at all and moving in the wrong direction. For example, it should have moved in X- direction, but both arrow keys would result going in the X+. Then the Z would move in the positive direction, but not at all when attmpting to move in the negative. This would happen a few times, work correctly for awhile, and then start acting up again. All the connections seem secure and there has been no changes to hardware or Mach 3 settings. There were no error messages from Mach 3 or UC100. My machine has the following hardware:

UC100 USB motion controller
 (2) KL-5056D drivers
 (1) KL-8070D driver
 (2) KL23H2100-50-4B, NEMA23 570oz/in 5A 3/8” Dual Shaft Stepper Motor
 (1) KL34H295-43-8A, NEMA34 Stepper Motor – 906oz in 6.1A Single Shaft
 48V/12.5A Power Supply, 115V/230V
 KL-DB25 BOB

 Mach 3

 I am not sure if this is a hardware and/or software issue. Would should I start to rule out to trouble shoot this? Thanks.