Troubleshooting The Scanner - Allen-Bradley 2755-HUG-4 User Manual

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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
Publication 2755-6.1
Probable Cause(s)
1. Decoder not on.
2. Scan beam has timed out.
3. Defective scanner cable.
4. Defective scanner.
1. Trigger on Extended
Range Scanner is not fully
pressed.
2. Defective scanner.
Corrective Action
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).
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.