Reference Guide

Maintenance, Troubleshooting, and Technical Specifications
30
Troubleshooting
Table 8-1 Troubleshooting
Problem Possible Causes Possible Solutions
The aiming dot does not
appear when pressing the
trigger.
No power to the digital scanner. If the configuration requires a power supply,
re-connect the power supply.
Incorrect host interface cable is
used.
Connect the correct host interface cable.
Interface/power cables are loose. Re-connect cables.
Digital scanner is disabled. For USB IBM hand-held, IBM table-top, and
OPOS modes, enable the digital scanner via
the host interface. Otherwise, see the
technical person in charge of scanning.
Aiming pattern is disabled. Enable the aiming pattern. See
<bl_blue><em_Emphasis>Hand-Held Decode
Aiming Pattern on page 6-24.
Digital scanner emits aiming
dot, but does not decode
the barcode.
Digital scanner is not programmed
for the correct barcode type.
Program the digital scanner to read that type
of barcode. See
<em_Emphasis><bl_blue>Chapter 10,
Symbologies.
Barcode symbol is unreadable. Scan test symbols of the same barcode type to
determine if the barcode is defaced.
The aiming dot is not correctly
placed on the symbol.
Move the symbol so that the aiming dot is
within the field of view (see
<bl_blue><em_Emphasis>Aiming with Digital
Scanner on page 3-7).
Distance between digital scanner
and barcode is incorrect.
Move the scanner closer to or further from the
barcode. See
<bl_blue><em_Emphasis>Decode Ranges on
page 3-9.
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