Troubleshooting
9
Authentication 
windows are 
consequently 
displayed.
• The user name and password for the administrator have been 
changed. Or the user name and password for the general users 
have been changed.
Close the web browser, and access the camera again.
Only half of the 
image is 
displayed.
• You are using Internet Explorer 4.xx or lower.
Upgrade Internet Explorer to version 6.0 or greater. 
The camera 
image is not 
displayed, or not 
displayed 
properly.
• ActiveX
®
 Controls are not installed in Internet Explorer. 
ActiveX Controls should be installed to display video (Motion 
JPEG). For the ActiveX Controls installation method, see 
page 
20 of the Operating Instructions on the CD-ROM when 
using Microsoft
®
 Windows
®
 XP Service Pack 2, or see page 
19 of the Operating Instructions on the CD-ROM when using 
other operating systems.
• The network is congested.
Pages may not be displayed immediately. Wait for a moment.
• The web browser is accessing a proxy server.
Set the web browser to access the Internet directly (see page 
127 of the Operating Instructions on the CD-ROM).
Camera images 
are not 
displayed on the 
Multi page.
• The images may not be displayed if private IP addresses and 
global IP addresses (or domain names) are mixed on the Multi-
Camera page.
To view the images within the LAN, set the Multi-Camera 
page using private IP addresses. To view the images from 
the WAN side, set the Multi-Camera page using global IP 
addresses (or domain names) (see page 
93 of the Operating 
Instructions on the CD-ROM).
The error 
message 
"ERROR CODE 
(4/12002)" is 
displayed, and 
the image is not 
displayed.
• A wrong IP address or domain name may be set on the Multi-
Camera page.
Set the correct IP address or domain name.
• If the correct IP address or domain name was already set, the 
network connection may be timed out.
Access the network when it is less busy, or close other 
software that is connected to the network.
Problem Cause and Remedy