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Chapter 8 - Troubleshooting
8-3. Responding to an Error Message
12. COVER OPEN
An attempt was made to start cutting while the spindle cover was open.
◆ Cutting cannot be performed while the spindle cover is open. Close the spindle cover, then continue with the operation.
13. EMERGENCY STOP MOTOR LOCK
Operation stopped because an excessive load was applied.
◆ Cutting under excessive cutting conditions occurred because the cutter or spindle head struck an obstruction. Turn off the
machine, eliminate the cause of the problem, then redo the operation. If this problem occurs frequently, then the spindle unit or
the spindle motor may have reached the end of its service life, or the cutter may be worn.
◆ Rotation of the spindle was obstructed by a large amount of cutting dust inside the nose unit. Remove the nose unit and clean out
the cutting dust. If the problem occurs frequently, use an optional vacuum nose adapter.
14. EMERGENCY STOP COVER OPEN
An emergency stop occurred because the spindle cover was opened while a cutting operation was in
progress.
◆ To ensure safety, an emergency stop occurs when the spindle cover is opened while cutting is in progress. Do not open the
spindle cover during cutting. Turn off the machine, then redo the operation from the beginning.
15. OPERATING ERROR CAN'T FIND LIMIT
Startup failed because initialization could not be performed at powerup.
◆ This occurs when initialization at powerup is blocked because of the spindle head striking an obstruction, cutting waste, or the
like. Turn off the power. Remove the obstruction and clean the area around the spindle, around the X-axis rail, and inside the X-
axis rail. Then turn on the power.
16. Buffer Overflow Can't Insert
The number of steps in the sequence exceeded 1,000.
◆ The number of steps that you can input using teaching feature is a maximum of 1,000 per sequence. Make sure the number of
steps is 1,000 or less.
◆ The machine displays this, then automatically returns to the original screen.
17. INPUT LABEL NAME
The required label name was not assigned anywhere in the sequence.
◆ A sequence created with the teaching feature was saved without specifying a label referenced by a command such as [CALL] or
[JUMP]. Specify a label name before saving.
◆ After displaying this message, the machine automatically returns to the seqence editing screen.
18. Can't Find File
There is no existing file to call up.
◆ An attempt was made to call up an existing file using the teaching menu or [RUN] submenu, but no file has been saved.
◆ After displaying this message, the machine automatically returns to the original screen.
19. Input File Name
At attempt was made to save a new sequence file without specifying a file name.
◆ No file name was assigned when an attempt was made to save a sequence created with the teaching feature as a new file. Specify
a file name, then repeat the save operation.
◆ After displaying this message, the machine automatically returns to the original screen.