Copyright © 1997-2009 KT&C Co., Ltd. All Rights Reserved.
Korea Technology & Communications Co., Ltd.
76
KNC-Xi130HD, KNC-Xi210HD User’s Manual
Troubleshooting
This section describes the symptoms, possible causes and corrective actions.
Symptoms
Remedial Actions
Reference
Problems with IP
address setting
The Network
Camera is located on
a different subnet.
If the Network Camera and your computer are located on different
subnets, you will not be able to set the IP address. Contact your
network administrator for obtaining an IP address on the same subnet as
the computer that you are performing installation from.
The IP address is
being used by
another device.
Contact your network administrator. You must obtain a new IP address
and reinstall the Network Camera.
The Network
Camera cannot be
accessed from a
web browser.
Cannot log in
Check if the user ID and password is correct. The ID and password are
case sensitive.
IP address has been
changed by DHCP
Reconfigure the IP address using the IP Installer.
If a dynamic IP address via DHCP is required, enable the DHCP and
configure the SMTP Notification (Email) For IP Address Change from
the Setup>Basic>Network settings.
Installation
Guide
Other networking
problems
Check the network cable by connecting it to another network device,
then Ping the device from your computer.
The Network
Camera is not able
to access
externally
Firewall protection
Check the Internet firewall with your network administrator.
Default gateway
required
Check if you need to configure the default gateway settings.
Page 14
The Network
Camera does not
turn on
DC power supply
Check the power.
AC power supply
Check the power.
PoE power supply
Check the Ethernet (CAT 5) cable that is connected to a PoE
compatible power supply unit. Some power supply unit may not
provide power when the total power supply limitation is exceeded.
Check the Operating Instructions of the PoE power supply unit for
maximum power output.
No image
displayed in the
web viewer
ActiveX
To run the View Program in Microsoft Internet Explorer, configure your
Web browser to allow the ActiveX controls. Also, make sure that
KT&C Web Viewer component is installed on your PC.
Page 9
Video image
problems
Missing images in
uploads
This can occur when trying to use a larger image buffer than is actually
available. Try lowering the frame rate or the upload period.
Slow performance
Slow performance may be caused by e.g. heavy network traffic,
multiple users accessing the Network Camera, low performance
computer, using features such as Motion Detection, Event action.
Image is not clear
Adjust the focus of the camera.
Check the target bit late (H.264) or image quality (JPEG) is not
configured too low.
Page16~19
Video is stopped
Check if the network cable of the Network Camera is correctly
connected.
In case user uses switches or routers, check whether these network
equipments are working properly.
Installation
guide
Blank Screen
Check the power source of the connected camera.
Video is often
broken
Lower the target bit late (H.264) or image quality (JPEG)
Audio problems
No audio
Check that the sound card in the PC, speaker and microphone are
working. Ensure that the mute button is not enabled and the volume
settings are correct.
Motion Detection
Function is not
working
Check if the Motion Detection is enabled.
Check the sensitivity level
Check the setting of the Motion Detection area.
Page 55~57
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