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Problem
Scanner laser works but does
not read bar codes
Application does not
respond
Error Messages
The terminals use ERR3000.SYS, a factory-installed program that displays error messages.
Messages blink in place on the display screen for three seconds. The terminal beeps while the
message is showing. Then the system returns to its previous status.
sample messages. Application programs can change or disable messages. For more
information, refer to the Series 3000 Application Programmer's Guide (p/n 70-16308-XX).
Message
Double Key Error You have pressed two keys at the same time. This message does not appear for
Too Many Keys
Power Fault
Table 6-1. Troubleshooting VRC 6940 Terminals
The bar code may not be legible. Try scanning another label of the
same product, or type in the data manually.
The scanner window may be dirty or severely scratched.
If it is dirty, clean it with a soft, dry cloth moistened with an ammonia-
based glass cleaner. If the scanner window is badly scratched, replace
the scanner.
The scanner may not be programmed or may be programmed
incorrectly. Consult the reference guide that came with the scanner for
configuration information.
This can happen if the terminal cannot connect to the Access Point
(AP). If the terminal cannot connect to the AP, applications may
continue to function until they need to transmit to the AP, then they
simply stop responding.
The terminal may be out of range of the AP. Move the terminal to a
location closer to an AP and then try to restart it. See
more information.
The host computer may be down. Check the host computer.
There may be a problem with the application software. Do a Memory
Transfer to transmit data from the VRC 6940 terminal to a Host PC,
and have an application programmer examine the data. See
Table 6-2. Error Messages
Explanation
the warm, cold, and Command Mode boot sequences described on
Three or more keys have been pressed at the same time.
The last power off was caused by a power failure. This occurs, for example, if
power suddenly fails or is disconnected. For more information, see
Troubleshooting
Action
Table 6-2
page 6-4
for
page
6-8.
lists some
page
6-5.
Table
6-1.
6-3
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