NCR RealScan 7883 Installation and Owner Guide
Troubleshooting
For the most part, the function of each of the three units; scanner, scale, and deactivation unit; work independently from each other. However, there are some interactions. Following are some basic things to check if the system is not working properly. You may need to refer to the manufacturer's documentation for each unit.
Scanner Problems
If the scanner does not operate, check the following.
•Power Cable connections.
•Interface Cable connections.
•Red laser light is being generated.
•Spinner mirrors are rotating.
•Diagnostic failures (see Installation Guide).
Scale Problems
If scale is not weighing items properly, check the following.
•Scanner Power Cable connections.
•Scanner Interface Cable connections.
•Scale Cable connection to the RealScan 7883.
•Program RealScan 7883 to enable scale by scanning the following sequence of tags
Programming Mode, Hex 3, Hex 0, Hex 3, Save and Reset.
If the scale is still not weighing items properly, perform the following.
1.Remove all items from the Top Plate.
2.Scan the Reset Scale tag – Scale should read 0.00.
3.Put some weight on the Top Plate – Scale should read some weight (not 0.00).
4.Remove all items from the Top Plate – Scale should read 0.00.
5.Remove the Top Plate.
6.Remove any debris from the scale mechanism or Top Plate posts.
The
If it suspected that the switch settings for the scale are not correct, below are the settings for the Mettler Toledo 8217 Scale when connected to an NCR RealScan 7883.
With
Switch on left
Positions 1,6,7,8 Down
Positions 2,3,4,5 Up
Switch on right (next to connector)
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