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74D-Link DCS-5222L User Manual
Section 6 - Troubleshooting
Troubleshooting
This chapter provides solutions to problems that can occur during the installation and operation of the DCS-5222L. Read the following descriptions
if you are having problems. (The examples below are illustrated in Windows Vista® and XP. If you have a dierent operating system, the screenshots
on your computer will look similar to the following examples.)
1. What can I do if I forget my password?
If you forget your password, you will need to perform a hard reset of your camera. This process will change all your settings back to the factory
defaults.
To reset your camera, please use an unfolded paperclip to press and hold the RESET button for at least 10 seconds while your camera is plugged in.
2. Why does the LED not light up?
The power supply might be faulty. Conrm that you are using the provided DC 5V power supply for this network camera. Verify that the power
supply is correctly connected. If the camera is functioning normally, the LED may have been disabled. See “Admin” on page 61 for information about
how to enable the LED.
3. Why is the camera’s network connection unreliable?
There might be a problem with the network cable. To conrm that the cables are working, PING the address of a known device on the network. If
the cabling is OK and your network is reachable, you should receive a reply.
Another possible problem may be that the network device such as a hub or switch utilized by the network camera is not functioning properly.
Please conrm the power for the devices are well connected and functioning properly.
4. Why does the network camera work locally but not remotely?
This might be caused by a routers rewall protection. Check the Internet rewall with your system administrator. The rewall may need to have
some settings changed in order for the network camera to be accessible outside your local LAN. For more information, please refer to the section
about installing your camera behind a router.
Make sure that the network camera isn’t conicting with any Web server you may have running on your network.
The default router setting might be a possible reason. Check that the conguration of the router settings allow the network camera to be accessed
outside your local LAN.