Troubleshooting the scanner – Rockwell Automation 2755 2D Hand-Held Scanner User Manual
Page 86
6–2
Troubleshooting and Maintenace
Publication 2755-6.4
Troubleshooting the Scanner
This section provides a list of the most common operating problems,
the probable causes, and suggested corrective actions.
Problem
Probable Cause(s)
Corrective Action
No Scan Beam.
1. Power supply not
connected to Synapse
cable.
2. Scan beam has timed out.
3. Defective interface cable.
4. Defective scanner.
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).
Scan Beam Appears as a Dot
Not a line
1. Defective scanner.
1. Contact Allen-Bradley
Global Technical Support.
Scanned data appears
incorrectly on a display
terminal when using a
keyboard wedge cable.
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.
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.