Technical Specifications
228 DSM0400 Fixed Mount Area Imager Bar Code Reader
Troubleshooting
Problems Possible Causes 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 lo
ose
Ensure all cable connections are 
secure.
LED comes on, but bar code 
does n
ot decode.
Imager not programmed for 
correct bar code type.
Ensure the imager is programmed to 
read the bar code scanned t
ype.
Bar code label is unread-
able.
Check the label to ensure it is not 
d
efaced. Try scanning another bar 
code type.
Distance between imager 
and bar code is inco
rrect.
Move the imager closer to or further 
from  the bar code.
Bar code is decoded but not 
tra
nsmitted to the host.
Imager not programmed for 
the correct host type.
Scan the appropriate host type bar 
code. 
Reader in Pro-
gramming mode
The reader is in Program-
ming, accepting program-
ming barcodes
 
(eg: a “enter program-
ming” bar code is read 
durin
g IDLE mode)
The Trigger LED blinks 
slowly
 N/A
USB
 
Enumeration
The host is enumerating 
the re
ader in USB config-
uration
The POWER LED blinks 
fast
N/A
Imager
 
Disabled
In USB OEM only inter-
face the reader is dis-
abled
The POWER LED blinks 
slowly
N/A
Flash
 
Memory Update
Software update is in 
progress
GREEN SPOT / GOOD 
READ LED b
links slowly
N/A
Indicator Description LED Beeper