Sears, Roebuck and Co. CompuCarve™ System (Rev 1.18) 04/23/07
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• Please Check Board Errors: This prompt is shown when the board-
tracking sensor is having difficulty monitoring the position of the
workpiece accurately. This sensor tracks the position of the workpiece
as it travels in and out of the machine. A small brass wheel rides along
the bottom side of the material and provides position information to the
control system. It is extremely important that the workpiece have a
very flat and defect free surface 3/8” in from the edge on the bottom
side of the workpiece in order to operate accurately. There are several
reasons that the machine will report a Check Board error:
1. The board is not inserted up against the squaring plate
correctly.
2. There is defect on bottom side of the workpiece on the edge
that is placed up against the squaring plate.
3. The board is severely bowed or cupped.
4. The outfeed trays are adjusted improperly and do not allow the
board to correctly ride the board position roller.
5. There is a problem with the sandpaper belts or the rubber o-ring
on the brass wheel is missing.
If none of the listed causes are present please see the Checking The
Machine’s Onboard Sensors section below to verify that the sensor is
operating.
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