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Troubleshooting the scanner – Rockwell Automation 2755 2D Hand-Held Scanner User Manual

Page 86

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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.