Troubleshooting - Motorola DS6708 Product Reference Manual

3 - 2 DS6708 Digital 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 scanner emits aiming
pattern, but does not decode
the bar code.
Digital scanner emits 4 short
high beeps during decode
attempt.
Possible Causes
No power to the digital scanner.
Incorrect host interface cable is
used.
Interface/power cables are loose.
Digital 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
scanner in a state where power to
the digital scanner is cycled on and
off more than once.
Digital scanner is not programmed
for the correct bar code type.
Bar code symbol is unreadable.
The symbol is not completely inside
aiming pattern.
Digital 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.
For Synapse or IBM 468x mode,
enable the digital scanner via the host
interface. Otherwise, see the technical
person in charge of scanning.
Assert CTS line.
Enable the aiming pattern. See
Aiming Pattern on page 5-5.
Normal during host reset.
Program the digital scanner to read that
type of bar code. See Chapter 13,
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.
Decode