The axis moves toward the reference cam, hits the cam, but instead of finding zero, it alarms out. The Cause: This is often a "dirty scale" issue. Heidenhain uses glass scales for feedback. If oil mist or coolant has contaminated the scale, the control loses the reference mark signal. The Fix:
: Detailed error code documentation is available in the Heidenhain iTNC 530 Service Manual and the NC Error Messages Guide . heidenhain itnc 530 error list
The axis moves toward the reference cam, hits the cam, but instead of finding zero, it alarms out. The Cause: This is often a "dirty scale" issue. Heidenhain uses glass scales for feedback. If oil mist or coolant has contaminated the scale, the control loses the reference mark signal. The Fix:
: Detailed error code documentation is available in the Heidenhain iTNC 530 Service Manual and the NC Error Messages Guide .