Maintenance, Troubleshooting, and Technical Specifications
48
Troubleshooting
NOTE: If after performing the possible solutions in Table 5 the scanner still experiences problems, contact the
distributor or call support.
Table 5 Troubleshooting
Problem Possible Causes Possible Solutions
The illumination does not
appear when pressing the
trigger.
No power to the 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.
Scanner is disabled. For IBM 468x and USB IBM hand-held, IBM
table-top, and OPOS modes, enable the
scanner via the host interface. Otherwise,
see the technical person in charge of
scanning.
If using RS-232 Nixdorf B mode,
CTS is not asserted.
Assert CTS line.
Illumination is disabled. Enable the illumination. See Hand-held
Decode Aiming Pattern on page 72.
Scanner emits illumination,
but does not decode the
barcode.
Scanner is not programmed for
the correct barcode type.
Program the scanner to read that type of
barcode. See Symbologies.
Barcode symbol is unreadable. Scan test symbols of the same barcode type
to determine if the barcode is defaced.
The symbol is not completely
inside illumination.
Move the symbol completely within the
illumination.
Move the symbol completely within the field
of view (AIM pattern does NOT define FOV)
Distance between scanner and
barcode is incorrect.
Move the scanner closer to or further from
the barcode. See Decode Ranges on page
44.
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