User's Manual

Troubleshooting
Table 4-3. Troubleshooting
Problem Possible Causes Possible Solutions
AR400 error LED lights after the reader
has been in operation.
The CPU cannot communicate
with the DSP and cannot
reload the DSP firmware to it.
Refer to the system log for error messages.
Cannot connect to the reader. Username and password is
unknown.
The default username is admin and the default
password is change. To change the username and
password, see Connecting the AR400 for
Communication on page 2-5.
AR400 is not reading tags. The tag is out of its read range. Move the tag into the read range. See Read Test on
page 2-5.
Cannot access the Administrator
Console.
The reader’s IP address is
unknown.
See Connecting the AR400 for Communication on
page 2-5 to view the reader’s IP address.
Cannot log in to the terminal-based
Administrator Console.
The Web-based Administrator
Console is in use for that
reader.
Log out of the Web-based console and restart the
terminal software to re-attempt log in.
You changed the node
address, IP address, or other
reader configuration
parameter(s) using the
Administrator Console, and the
application expects the
previous configuration.
Update the settings within the application. Refer to the
application’s manual.
Polling is enabled. Some real-time applications require disabling polling.
Refer to the application’s manual, and if required,
disable polling using the Scan Control feature of the
Administrator Console. See Scan Control on page 3-6.
Certain real-time applications are no
longer functional.
The user closed the browser
without logging out of the
Administrator Console, so
other applications cannot
connect to the reader.
Log out of the Administrator Console.