vf3 stalling while running dnc

i have a 99 vf3 that we recently purchased. it will just stop in the middle of program while running in dnc. doesnt do it all the time just occasionally (maybe twice a week). the program will still be on the screen and it doesnt show alarm or anything. wont do anything until you hit reset. the other day i restarted same program to see if it would stop again and it stopped exactly same spot(about an hour into the program). so i then edited program and started it where it stopped and it ran fine. program was fine.

i have tried changing all the settings and it doesnt seem to matter

anyone have any idea why it would be doing this?

thanks,
mjs

i took the part of the program that i was having trouble with and loaded it into memory and it still stopped in same spot. so i kept editing the program in memory until i found the issue. if i change the g00 to a g01 in the line before it runs fine. there are tons of g00 and g01s in the program. this is the only g00 that it stops on. rest of program runs fine. changed it to g01 and it ran fine, i switch it back to g00 and it stops.

anyone have any idea? processor bad possibly?

thanks,
matt

Post a little of the program before and after the line where it stops. Maybe we can figure it out if we saw the program.

ok guys here is the program. the line that says G00 Z-.7588 is the G00 i was talking about in the previous post. if i change that to a G01 the program runs, but it stops when it is a G00.

thanks,
mjs



%
O3006( O3006 )
( DATE=DD-MM-YY - 22-11-10 TIME=HH:MM - 13:15 )
( NC FILE - Z:\MMB1014A\O3006.NC )
( T14 | 3/8" BALL | H14 )
N100
G0 G17 G40 G49 G80 G90
G0 G90 S2500 M3
G43 H14 Z2.
M8
X1.9354 Y-2.0387
Z-.7588
G1 Z-.8588 F10.
X1.935 Y-2.0388 F30.
G0 Z-.7588
Z.25
X2.0338 Y-2.6955
Z-.7588
G1 Z-.8588 F10.
X2.0313 Y-2.696 F30.
G0 Z-.7588
Z.25
X1.871 Y-2.7223
Z-.7588
G1 Z-.8588 F10.
X1.8375 Y-2.7264 F30.
G0 Z-.7588
Z.25
X1.6592 Y-2.741
Z-.7588
G1 Z-.8588 F10.
X1.6591 F30.
G0 Z-.7588
Z.25
X5.3747 Y-2.2295
Z-.111
G1 Z-.211 F10.
X5.3743 Y-2.2275 F30.
G0 Z-.111
Z.25
G00G28Z0.H0M05
M00/
M99 P3006
%

What are the values in these settings? (recommended settings)
85 (approx. .025")
191 (medium)

Parameter 315: bit 4 = High speed machining <--- You can try turning this off.