Troubleshooting - Symbol DS6707 Product Reference Manual

3 - 2 Symbol DS6707 Digital Imager Scanner Product Reference Guide

Troubleshooting

Troubleshooting
Table 3-1
Problem
The aiming pattern does not appear
when pressing the trigger.
Scanner emits short low/short
medium/short high beep sequence
(power-up beep sequence) more than
once.
Digital imager scanner emits aiming
pattern, but does not decode the bar
code.
Digital imager scanner emits 4 short
high beeps during decode attempt.
Possible Causes
No power to the digital imager
scanner.
Incorrect host interface cable is used.
Interface/power cables are loose.
Digital imager scanner is disabled.
If using RS-232 Nixdorf B mode, CTS
is not asserted.
Aiming pattern is disabled.
The USB bus may put the digital
imager scanner in a state where
power to the digital imager scanner is
cycled on and off more than once.
Digital imager scanner is not
programmed for the correct bar code
type.
Bar code symbol is unreadable.
The symbol is not completely inside
aiming pattern.
Digital imager scanner has not
completed USB initialization.
Possible Solutions
If the configuration requires a power
supply, re-connect the power supply.
Connect the correct host interface cable.
Re-connect cables.
See the technical person in charge of
scanning.
Assert CTS line.
Enable the aiming pattern. See
Decode Aiming Pattern on page
Normal during host reset.
Program the digital imager scanner to
read that type of bar code. See
10, Symbologies.
Scan test symbols of the same bar code
type to determine if the bar code is
defaced.
Move the symbol completely within the
aiming pattern.
Wait several seconds and scan again.
4-13.
Chapter