Rockwell Automation 2755 Undecoded Hand-Held Scanner - Manual (Page 24)

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Publication 2755-6.1
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. Decoder not on.
2. Scan beam has timed out.
3. Defective scanner cable.
4. Defective scanner.
1. Verify that decoder is on.
2. Normal operation. Release
trigger completely and
scan again.
3. If possible, try another
scanner 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. Trigger on Extended
Range Scanner is not fully
pressed.
2. Defective scanner.
1. Extended Range Scanner
has a 2 position trigger.
The first position is for the
spotter beam. Press the
trigger to the next position
for scanning.
2. Contact Allen-Bradley
Global Technical Support.