ZyXEL p-2802h-i1 Guia Do Utilizador

 Chapter 25 Troubleshooting

P-2802H(W)(L)-I Series User’s Guide

5 Reset the device to its factory defaults, and try to access the ZyXEL Device with the 

default IP address. See 

. 

6 If the problem continues, contact the network administrator or vendor, or try one of the 

advanced suggestions.

• 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 LAN/ETHERNET port.

V

I can see the Login screen, but I cannot log in to the ZyXEL Device.

1 Make sure you have entered the user name and password correctly. The default password 

is 1234. These fields are 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 

.

V

I cannot Telnet to the ZyXEL Device. 

See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.

V

I cannot use FTP to upload / download the configuration file. / I cannot use 
FTP to upload new firmware.

See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.