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ZyWALL 2 Series User’s Guide
Troubleshooting A-1
Appendix A
Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description,
some instructions are provided to help you to diagnose and to solve the problem. Please see our
included disk for further information.
Problems Starting Up the ZyWALL
Chart 1 Troubleshooting the Start-Up of Your ZyWALL
PROBLEM CORRECTIVE ACTION
Make sure that you have the included power adaptor or cord connected to the ZyWALL
and to an appropriate power source.
Replace the fuse if it is burnt out (see the appendices for more on changing a fuse).
None of the
LEDs turn on
when you
turn on the
ZyWALL.
If the error persists, you may have a hardware problem. In this case, you should contact
your vendor.
1. Check to see if the ZyWALL is connected to your computer’s console port.
VT100 terminal emulation
9600 bps is the default speed on leaving the factory. Try
other speeds in case the speed has been changed.
Cannot
access the
ZyWALL via
the console
port.
2. Check to see if the
communications program is
configured correctly. The
communications software
should be configured as
follows:
No parity, 8 data bits, 1 stop bit, data flow set to none.
Problems with the Password
Chart 2 Troubleshooting the Password
PROBLEM CORRECTIVE ACTION
The password field is case sensitive. Make sure that you enter the correct password
using the proper casing.
Cannot
access the
ZyWALL.
Use the Reset button to restore the factory default configuration file. This will restore all
of the factory defaults including the password. See the Resetting the ZyWALL section in
the Introducing the Web Configurator chapter for details.