Honeywell 720P User Manual page 76

Appendix B: Troubleshooting & Frequently Asked Questions
Internet Explorer does not seem
to work well with the device
IPWizard II program fails to save
the network parameters.
Cannot work with NAT router
Some IP cameras are working but
others are failed
Cannot access the login page and
other web pages of the Network
Camera from Internet Explorer
Image or video does not appear in
the main page.
Check the device's ActiveX is
70
Make sure that your Internet Explorer is version 8.0 or later. If you are
experiencing problems, try upgrading to the latest version of Microsoft's
Internet Explorer from the Microsoft webpage.
• Network may have trouble. Confirm the parameters and connections of the
device.
UPnP NAT Traversal
• Maybe NAT router does not support UPnP function. Please check user's
manual of router and turn on UPnP function.
• Maybe UPnP function of NAT router is not compatible to the IP camera.
Please contact your dealer to get the approval routers list.
• Maybe too many IP cameras have been installed on the LAN, and then NAT
router is out of resource to support more cameras. You could turn off and on
NAT router to clear out of date information inside router.
Access this device
• Maybe the IP Address of the Network Camera is already being used by
another device or computer. To confirm this possible problem, disconnect the
Network Camera from the network first, and then run the PING utility to check
it out.
• May be due to the network cable. Try correcting your network cable and
configuration. Test the network interface by connecting a local computer to
the Network Camera via a crossover cable.
• Make sure the Internet connection and setting is ok.
• Make sure enter the IP address of Internet Explorer is correct. If the Network
Camera has a dynamic address, it may have changed since you last checked
it.
• Network congestion may prevent the web page appearing quickly. Wait for a
while.
The IP address and Subnet Mask of the PC and Network Camera must be in
the same class of the private IP address on the LAN.
• Make sure the http port used by the Network Camera, default=80, is forward
to the Network Camera's private IP address.
• The port number assigned in your Network Camera might not be available via
Internet. Check your ISP for available port.
• The proxy server may prevent you from connecting directly to the Network
Camera, set up not to use the proxy server.
• Confirm that Default Gateway address is correct.
• The router needs Port Forwarding feature. Refer to your router's manual for
details.
• Packet Filtering of the router may prohibit access from an external network.
Refer to your router's manual for details.
• Access the Network Camera from the Internet with the global IP address of
the router and port number of Network Camera.
• Some routers reject the global IP address to access the Network Camera on
the same LAN. Access with the private IP address and correct port number of
Network Camera.
• When you use DDNS, you need to set Default Gateway and DNS server
address.
• If it's not working after above procedure, reset Network Camera to default
setting and installed it again.
• If the problem is not solved, the Network Camera might be faulty. Contact
your dealer for further help.
• The first time the PC connects to Network Camera, a pop-up Security
Warning window will appear to download ActiveX Controls. When using
Windows XP, or Vista, log on with an appropriate account that is authorized
to install applications.
• Network congestion may prevent the Image screen from appearing quickly.
You may choose lower resolution to reduce the required bandwidth.
Go to C:\Windows\Downloaded Program Files and check to see if there is an