ZyXEL Communications PLA4231 User Manual page 102

Chapter 14 LEDs and Troubleshooting
I forgot the password.
The default password is 1234.
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If this does not work, you have to reset the device to its factory defaults. See
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12.
I cannot see or access the Login screen in the Web Configurator.
Make sure you are using the correct IP address.
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• The default IP address is 192.168.1.2.
• If you changed the IP address
• If you changed the IP address and have forgotten it, see the troubleshooting suggestions for
don't know the IP address of my PLA4231.
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
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Start Guide.
Make sure your Internet browser does not block pop-up windows and has JavaScripts and Java
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enabled. See
Make sure your computer is in the same subnet as the PLA4231. (If you know that there are routers
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between your computer and the PLA4231, skip this step.)
• If there is a DHCP server on your network, make sure your computer is using a dynamic IP
address. See
• If there is no DHCP server on your network, make sure your computer's IP address is in the
same subnet as the PLA4231.
Reset the device to its factory defaults, and try to access the PLA4231 with the default IP address.
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If the problem continues, contact the network administrator or vendor, or try one of the advanced
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suggestions.
Advanced Suggestion
• If your computer is connected wirelessly, use a computer that is connected to a LAN/Ethernet
port.
I can see the Login screen, but I cannot log in to the PLA4231.
Make sure you have entered the password correctly. The default password is 1234. This field is
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case-sensitive, so make sure [Caps Lock] is not on.
102
(Section 11.4 on page
Appendix A on page 105.
Section 11.4 on page
80), use the new IP address.
102.
Section 1.7 on page
I
PLA4231 User's Guide