Okuma Alarm-A 1716 M03/M04 change command failure
The spindle reverse rotation command M04 is designated while the spindle is rotating in the forward direction, or the spindle forward rotation command M03 is designated while the spindle is rotating in the reverse direction.
Object
SYSTEM
Code
1->The spindle reverse rotation command M04 is designated while the spindle is rotating in the forward direction, or the spindle forward rotation command M03 is designated while the spindle is rotating in the reverse direction.
Probable Faulty Locations
Program error
Program Example:
:
M03
M04
:
(Direct switching from M03 to M04)
Measures to Take
Before switching the spindle rotation from forward (M03) to reverse (M04), stop the spindle first by designating M05. When changing the spindle rotation direction from reverse (M04) to forward (M03), also stop the spindle once by designating M05.