1021-****The % milling bur is too short.
% indicates a milling bur stocker number from 1 to 15.
| There is a possibility that the position of the milling bur holder is not correct. | 
Procedure
- 
						Check the milling bur.
						Check that the milling bur length is appropriate (40 to 55 mm [1.58 to 2.16 in.]).
 - Check the position of the milling bur holder.
 - 
		Clear the error.
		
- 
				
If the error occurred during milling
- Press OK in the error display window in VPanel, and click 
. - Milling will resume.
 
 - Press OK in the error display window in VPanel, and click 
 - 
				
If the error occurred while the machine was on standby
- Press OK in the error display window in VPanel, and click 
.  - This will clear the error.
 
 - Press OK in the error display window in VPanel, and click 
 
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