DSM0400 Fixed Mount Area Imager Bar Code Reader
28 DSM0400
Troubleshooting
Problem Possible Cause Solution
Nothing happens 
when the scan but-
ton 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 programmed for 
correct bar code type.
Ensure imager is pro-
grammed to read the 
type of bar code 
scanned.
Refer to the PRG for 
more information.
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 programmed for 
the correct host type.
Scan the appropriate 
host type bar code. 
Refer to the PRG for 
more information
For a detailed troubleshooting, refer to the Product Reference
Guide.