Troubleshooting Guide
Troubleshooting
3 - 8
3.5.10
Software Upgrade Problems
3.5.11
Bar Code Scanner Failures
SYMPTOMS
POSSIBLE CAUSE
CORRECTIVE ACTIONS
Bootstrap upgrade fails
Power failure or unintended
power off during bootstrap
upgrade
Return the main board to the factory for repair.
Program upgrade fails
Incorrect network connection
•
Confirm that the monitor is connected to the
network.
•
Confirm that the hub or the switcher is functioning.
•
Confirm that the net cables are of the right type and
have been connected correctly.
Wrong upgrade package has
been downloaded
Incorrect upgrade package .mup files were used. Select
package according to the program to upgrade.
Incorrect IP address
configuration
Configure a fixed IP address in range as specified for
the monitor. Do not upgrade a program while the
monitor is connected to a network.
SYMPTOMS
POSSIBLE CAUSE
CORRECTIVE ACTIONS
Bar code scanner does
not work
Bar code scanner not
powered on
1.
Press
to display the SYSTEM SETUP dialog as
shown in FIGURE 3-1.
2.
Press
or
to highlight MAINTENANCE.
3.
Once MAINTENANCE is highlighted, press
to
display the MAINTENANCE dialog as shown in
FIGURE 3-2.
4.
Press
or
to select USER MAINTENANCE.
5.
Once USER MAINTENANCE is highlighted, press
to display the USER MAINTENANCE dialog.
6.
Enter the required password.
7.
Set [
BARCODE POWER
] to [
ON
] in the menu to switch
on the bar code scanner.
Incorrect interface cables
used
Replace interface cables.
Loose Interface cables
Confirm that the interface cables are attached securely.
Bar code scanner cannot
decode the target bar
codes
Bar code scanner not
programmed correctly.
Re-program the bar code scanner to decode the specified bar
codes.
Unreadable bar code
Check if bar codes of the same type can be decoded.
Scanner and bar code at
improper distance and
angle
Aim the scanner at the bar code and adjust the distance
between the scanner and the bar code.
Scanned characters
incorrectly displayed on
the monitor
The monitor’s bar code
recognition configuration
does not meet the format of
the target bar code.
Download the correct bar code recognition configuration for
the monitor.
Scanner serial port output
incorrectly set
Configure the scanner’s serial port output according to the
host serial port settings.