Troubleshooting The Scanner - Allen-Bradley 2-D User Manual

6–2

Troubleshooting the Scanner

This section provides a list of the most common operating problems,
the probable causes, and suggested corrective actions.
Problem
No Scan Beam.
Scan Beam Appears as a Dot
Not a line
Scanned data appears
incorrectly on a display
terminal when using a
keyboard wedge cable.
Publication 2755-6.4
Troubleshooting and Maintenace
Probable Cause(s)
1. Power supply not
connected to Synapse
cable.
2. Scan beam has timed out.
3. Defective interface cable.
4. Defective scanner.
1. Defective scanner.
1. Scanner not configured for
correct wedge cable.
2. Caps lock is on.
3. Incorrect interface cable.
4. Decoder options not
properly configured.
5. Scanned data still appears
incorrectly.
Corrective Action
1. Make sure power supply is
connected and plugged
into a power source.
2. Normal operation. Release
trigger completely and
scan again.
3. If possible, try another
cable.
4. If possible, try another
scanner using the same
connections. Contact
Allen-Bradley Global
Support (GTS).
1. Contact Allen-Bradley
Global Technical Support.
1. Make sure scanner is
configured for correct
wedge cable.
2. Turn Caps lock off.
3. Check that you are using
the proper cable.
4. Check all options such as
UPC-E to UPC-A
conversion.
5. Contact Allen-Bradley
Global Technical Support.