ZyXEL Communications NPS-520 - Manual (Page 70)

Chapter 5 Troubleshooting
NPS-520 User’s Guide
70
V
I forgot the password.
1 The default password is 1234.
2 If this does not work, you have to reset the device to its factory defaults. See
Section 1.5
on page 18 .
V
I cannot see or access the Login screen in the web configurator.
1 Make sure you are using the correct IP address.
• The default IP address is 192.168.1.6 .
• If you changed the IP address ( Section 3.6 on page 40 ), use the new IP address.
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for I forgot the IP address for the NPS-520.
2 Check the hardware connections, and make sure the LEDs are behaving as expected. See
the Quick Start Guide and Section 1.6 on page 19 .
3 Make sure your Internet browser does not block pop-up windows and has JavaScripts
and Java enabled. See Appendix C on page 95 .
4 Make sure your computer's Ethernet adapter is installed and functioning properly.
5 Make sure your computer is in the same subnet as the NPS-520. (If you know that there
are routers between your computer and the NPS-520, skip this step.)
• If there is a DHCP server on your network, make sure your computer is using a
dynamic IP address. See Appendix D on page 647 .
6 Reset the device to its factory defaults, and try to access the NPS-520 with the default IP
address. See Section 1.5 on page 18 .
7 If the problem continues, contact the network administrator or vendor, or try one of the
advanced suggestions.
V
I can see the Login screen, but I cannot log in to the NPS-520.
1 Make sure you have entered the password correctly. The default password is 1234.
These fields are case-sensitive, so make sure [Caps Lock] is not on.
2 Turn the NPS-520 off and on or disconnect and re-connect the power adaptor to the
NPS-520.
3 If this does not work, you have to reset the device to its factory defaults. See Section 2.3
on page 57 .