Operation manualⅠ
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3.3 When a mark recognition error occurs
Error screen Causes of the error
① Stained BOC mark
② A BOC mark is not within the
inspection frame.
③ Input error of BOC mark coordinate
data
* An area fiducial mark causes the
similar error.
How to handle an error
1) Select the <CAMERA> key of the HOD to teach the center of the mark.
2) If you perform a teaching operation, you can select the “Prod Restart mode.”
Judge the mark condition (its shape and whether it is stained or not) and check to see the mark is
located within the inspection frame, and then select the desired button.
3) Specify the “Prod Restart mode,” and press the <START> switch. The system processes the mark
according to the “Prod Restart mode” you specified.
Selection of the “Prod Restart mode” is effective for only a board that is currently
centered.
Therefore, a value of the production program is applied to the next board.
If the conditions of all marks on boards of the current lot change due to lot change, edit
the production program.
Recognizes (retries) a mark again.
Select this button when the mark is “within the
inspection frame,” and “the mark shape is normal.”
Recognizes a mark at the taught position again.
Select this button when the mark is “not within the
inspection frame,” and “the mark shape is normal.”
Omits the mark recognition operation, and forcibly
processes the taught position as the coordinates of the
mark.
Select this button when “the mark shape is abnormal.”
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