Troubleshooting - Motorola LS4208 Quick Reference Manual

6

Troubleshooting

Problem
Nothing happens
when the trigger is
pulled.
Laser comes on,
but symbol does
not decode.
Symbol is decoded
but not transmitted
to the host.
Scanned data is
incorrectly
displayed on the
host.
Possible Cause
No power to the
scanner.
Interface/power
cables are loose.
Scanner is not
programmed for
the correct bar
code type.
Bar code symbol is
unreadable.
Distance between
scanner and bar
code is incorrect.
Scanner is not
programmed for
the correct host
type.
Scanner is not
programmed to
work with the host.
Possible Solutions
Check the system power. Ensure the power
supply is connected if the configuration
requires a power supply.
Check for loose cable connections.
Ensure the scanner is programmed to read
the type of bar code scanned.
Refer to the LS4208 Product Reference
Guide, p/n 72E-69413-xx, for more
information.
Check the symbol to ensure it is not defaced.
Try scanning test symbols of the same bar
code type.
Move the scanner closer to or further from
the bar code.
Scan the appropriate host type bar code.
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 LS4208 Product Reference
Guide, p/n 72E-69413-xx, for more
information.
LS4208