Evening folks,
New here and new to the CNC realm, looking for some troubleshooting guidance....

So, I started this job and my first task was to rebuild the electronics on a used 4-axis CNC Router. We are running Mach 3, an ESS, Mach 3 6-axis BoB, Gecko-203V's, Hitachi WJ200 2.2kW VFD, with a 2.2kW chinese spindle motor.

So, I have control of X,Y, and Z and manual spindle control. My problem is I am using the 0-10VDC output to the drive, but regardless of the spindle input on Mach 3, I have a constant 10VDC at my spindle output (PWM output as well). Anyway to troubleshoot the BoB before trying to buy a new one (I can troubleshoot MM electronics)? Or is there something I am overlooking? Any help would be awesome and greatly appreciated, let me know if I forgot any pertinent data.

Thanks!

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