Quick Reference Guide
7
Troubleshooting
Problem
Possible Cause
Possible Solutions
Nothing happens
when the trigger is
pulled.
No power to the
scanner.
Check the system power. Ensure the
power supply is connected if the
configuration requires a power supply.
Interface/power
cables are loose.
Check for loose cable connections.
Laser comes on,
but symbol does
not decode.
Scanner is not
programmed for the
correct bar code
type.
Ensure the scanner is programmed to
read the type of bar code scanned.
Refer to the LS3008 Product Reference
Guide, p/n 72E-86092-xx, for more
information.
Bar code symbol is
unreadable.
Check the symbol to ensure it is not
defaced. Try scanning test symbols of
the same bar code type.
Distance between
scanner and bar
code is incorrect.
Move the scanner closer to or further
from the bar code.
Symbol is decoded
but not transmitted
to the host.
Scanner is not
programmed for the
correct host type.
Scan the appropriate host type bar
code.
Scanned data is
incorrectly
displayed on the
host.
Scanner is not
programmed to work
with the host.
Ensure proper host is selected.
Check the scanner’s host type
parameters or editing options.
For RS-232, ensure the scanner’s
communication parameters match the
host’s settings.
For a keyboard wedge configuration,
ensure the system is programmed for
the correct keyboard type, and the
CAPS LOCK key is off.
Ensure editing options (e.g., UPC-E to
UPC-A conversion) are properly
programmed.
Refer to the LS3008 Product Reference
Guide, p/n 72E-86092-xx, for more
information.
