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General Mach Discussion / Mach 3 Froze in Middle of Cycle

« on: July 26, 2015, 03:47:29 PM »

Afternoon all,

Hoping I can get some help, the other day, while in the middle of a program, Mach 3 froze on me (first time).  Spindle shut down and all axis stopped, likely due to the safety charge pump.  Spindle still showed 1,600rpms in Mach, but no variations, no X or Y movement, etc.  I had to close Mach via Task Manager for it to work again.  Keep in mind, I've ran several programs in the past without this ever happening.

I have a G0704 that I converted using the following:
BD Tools Motor Mounts
KL-5056D X & Y Stepper Drivers
KL-8070D Z Stepper Driver
NEMA 23 570 oz/in X & Y Steppers
NEMA 34 906 oz/in Z Stepper
CNC4PC C11 BOB
CNC4PC C3 Index Pulse Card
5v/10A PSU
12v/5A PSU
24V/5A PSU
48V/12.5A PSU

Desktop is a Dell OptiPlex 755 with the following specs:
Intel Core 2 Duo Processor 2.93GHz
Microsoft Windows 7 Professional 32-bit
2GB RAM
160GB Hard Drive

Anyone have any idea what may have caused this, have you ever had the same happen in the past?  Any idea what I can do to prevent it from happening again? 
Wasn't a critical part, was just testing engraving for the first time.   Computer was wiped clean prior to installing Mach.

Thanks,
Zach