Maintenance and Troubleshooting
159
During data 
communication, no data 
was transmitted, or 
transmitted data was 
incomplete.
Device unplugged 
from host computer 
during 
communication.
Reconnect the programming cable to the host 
computer and re-transmit.
Communication 
software was 
incorrectly installed or 
configured.
See system administrator.
Device turns itself off. Device is inactive. The device turns off after a period of inactivity. If the 
device is running on battery power, this period can 
be set to 15 seconds, 30 seconds, 1 minute, 2 
minutes, 5 minutes, 10 minutes, or 30 minutes.
Change the setting if you need a longer delay before 
the automatic shutoff feature activates.
Battery is depleted. Place the device in the cradle to re-charge the 
battery.
Battery is not inserted 
properly.
Insert the battery properly (see Installing the Battery 
on page 17).
The device’s battery 
is low and it powers 
down to protect 
memory content.
Place the device in the cradle to re-charge the 
battery.
A message appears 
stating that the 
devices’s memory is 
full.
Too many files stored 
on the device.
Delete unused memos and records. You can save 
these records on the host computer.
Too many 
applications installed 
on the device.
If you have installed additional applications on the 
device, remove them to recover memory. 
The device does not 
accept scan input from 
optional scanner.
Unreadable bar code. Ensure the symbol is not defaced.
Distance between 
scanner exit window 
and bar code is 
incorrect.
Move the scanner closer or further from the bar code 
to the proper scanning range.
Device is not 
programmed for the 
bar code.
Verify that the device can read the type of bar code 
being scanned. Ensure that the bar code parameters 
are set properly for the bar code being scanned.
Device is not 
programmed to 
generate a beep.
Verify that a beep on a good decode is used. 
During USB data 
communications, no 
data was transmitted, or 
transmitted data was 
incomplete.
Incorrect cable 
connection.
See the Accessories section.
Communications 
software is not 
installed or 
configured properly.
Perform setup as described in the
 
Accessories 
section
.
Table 18    Troubleshooting the WT6300
Problem Cause Solution