What does red box around a number in the view screen mean

[lens42]

What does the red box around a number in the program view screen mean (the -0.80 in the screen image attached)? I see this when the program exceeds the work envelope, but that's not the case here. I'm nervous about hitting cycle start, but everything *seems* ok except for that.

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[lens42]

Additional info. There are also examples in the PCNC770 manual: UM10350_PCNC770_Manual_0916A_WEB.pdf.

Page 61, Figure 6.9 shows the lower Z extent at 0.75 in a red box, whereas on page 63 Figure 6.13 shows a -0.50 Z lower extent with no box. ?????


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[109jb]

I don't use PathPilot, but in LinuxCNC, the red box always indicates that something in the g-code program exceeds the machine limits. The numbers in the box denote the extents of the programmed axis moves in terms of the currently selected work offset (G54, G55, etc.) , not in terms of machine coordinates. What is being exceeded is the machine coordinates. In the case of your example, the down limit of the Z axis is being exceeded. Have you zeroed the Z-axis work coordinates to your part?