Motorola DS6708 User Manual

Page of 458
3 - 2
Symbol DS6708 Digital Scanner Product Reference Guide
Troubleshooting
Table 3-1    
Troubleshooting
Problem
Possible Causes
Possible Solutions
The aiming pattern does not 
appear when pressing the 
trigger.
No power to the digital scanner.
If the configuration requires a power 
supply, re-connect the power supply.
Incorrect host interface cable is used. 
Connect the correct host interface 
cable. 
Interface/power cables are loose.
Re-connect cables.
Digital scanner is disabled.
For Synapse or IBM 468x mode, 
enable the digital scanner via the host 
interface. Otherwise, see the technical 
person in charge of scanning.
If using RS-232 Nixdorf B mode, CTS 
is not asserted.
Assert CTS line. 
Aiming pattern is disabled.
Enable the aiming pattern. See 
Scanner emits short low/short 
medium/short high beep 
sequence (power-up beep 
sequence) more than once.
The USB bus may put the digital 
scanner in a state where power to the 
digital scanner is cycled on and off 
more than once.
Normal during host reset.
Digital scanner emits aiming 
pattern, but does not decode the 
bar code.
Digital scanner is not programmed for 
the correct bar code type.
Program the digital scanner to read that 
type of bar code. See 
.
Bar code symbol is unreadable.
Scan test symbols of the same bar 
code type to determine if the bar code 
is defaced.
The symbol is not completely inside 
aiming pattern.
Move the symbol completely within the 
aiming pattern.
Digital scanner emits 4 short 
high beeps during decode 
attempt.
Digital scanner has not completed 
USB initialization.
Wait several seconds and scan again.