Datalogic QW2520 User Manual

Troubleshooting
QUICK REFERENCE GUIDE 31
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
Nothing happens
when the scan button
is pulled.
No power to the
imager
.
Check system power.
Ensur
e power supply
is connected.
Interface or
po
wer cables are
loose.
Ensure all cable
connections are
secure.
LED comes on, but
bar code is
not
decoded.
Imager not
programmed for
correct bar code
type.
Ensure reader is
programmed to read
the type of bar code
scanned. Refer to the
PRG for more
information.
Bar code label is
u
nreadable.
Check the label to
ensur
e it is not
defaced. Try to scan
another bar code type.
Distance between
r
eader 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
pr
ogrammed for
the correct host
type.
Scan the appropriate
hos
t type bar code.
Refer to the PRG for
more information.
NOTE: For detailed troubleshooting, refer to the
PRG (Product Reference Guide).

Datalogic QW2520 Specifications

General

Brand	Datalogic
Model	QW2520
Category	Barcode Reader
Language	English