User's Manual Part 2

Chapter 22 Troubleshooting
AMG1202-T10A User’s Guide
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• Try to access the ZyXEL Device using another service, such as Telnet. If you can access the
ZyXEL Device, check the remote management settings and firewall rules to find out why the
ZyXEL Device does not respond to HTTP.
• If your computer is connected to the WAN port or is connected wirelessly, use a computer that is
connected to a ETHERNET port.
I can see the Login screen, but I cannot log in to the ZyXEL Device.
1 Make sure you have entered the password correctly. The default admin password is 1234. The field
is case-sensitive, so make sure [Caps Lock] is not on.
2 You cannot log in to the web configurator while someone is using Telnet to access the ZyXEL Device.
Log out of the ZyXEL Device in the other session, or ask the person who is logged in to log out.
3 Turn the ZyXEL Device off and on.
4 If this does not work, you have to reset the device to its factory defaults. See Section 22.1 on page
213.
I cannot Telnet to the ZyXEL Device.
See the troubleshooting suggestions for I cannot see or access the Login screen in the web
configurator. Ignore the suggestions about your browser.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload
new firmware.
See the troubleshooting suggestions for I cannot see or access the Login screen in the web
configurator. Ignore the suggestions about your browser.
22.3 Internet Access
I cannot access the Internet.
1 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide and Section 1.6 on page 24.
2 Make sure you entered your ISP account information correctly in the wizard. These fields are case-
sensitive, so make sure [Caps Lock] is not on.