Datalogic QuickScan Lite QW2420 User Manual

Troubleshooting
Quick Reference Guide 31
Troubleshooting
Problem Possible Cause
Possible
Solutions
Nothing happens when
the scan
button is pulled.
No power to the
imager.
Check system power.
Ensure power supply is
connected.
Interface or power
cables are loose.
Ensure all cable con-
nections are secure.
LED comes on, but bar
code does not decode.
Imager not pro-
grammed for correct
bar code type.
Ensure imager is pro-
grammed to read the
type of bar code
scanned. Refer to the
PRG for more informa-
tion.
Bar code label is
unreadable.
Check the label to
ensure it is not
defaced. Try scanning
another bar code type.
Distance between
imager and bar code is
incorrect.
Move imager closer to
or further from the bar
code.
Bar code is decoded
but not transmitted to
the host.
Imager not pro-
grammed for the cor-
rect host type.
Scan the appropriate
host type barcode.
Refer to the PRG for
more information.
NOTE
For detailed troubleshooting, refer to the PRG
(Product Reference Guide)

Datalogic QuickScan Lite QW2420 Specifications

General

Brand	Datalogic
Model	QuickScan Lite QW2420
Category	Barcode Reader
Language	English