User's Manual

ENGLISH
7
5 Troubleshooting
Problem Corrective Action
None of the
LEDs turn
on.
Check all cable connections.
Make sure that you have the USB or the power adaptor
connected to the ZyWALL and plugged in to an appropriate
power source.
Note: Do NOT connect the USB and the PWR ports at
the same time. This will damage your ZyWALL.
If supplying power via the USB port, use only the included
USB cable.
Power to the ZyWALL is too low. Disconnect the USB cable
from the ZyWALL and connect the power adaptor.
If the LEDs still do not turn on, you may have a hardware
problem. In this case, you should contact your local vendor.
All LEDs
blink at the
same time.
Power to the ZyWALL is too low. Disconnect the USB cable
from the ZyWALL and connect the power adaptor.
Cannot
access the
ZyWALL
from the
LAN.
Check the cable connection between the ZyWALL and your
computer.
Ping the ZyWALL from a LAN computer. Make sure your
computer’s Ethernet card is installed and functioning properly.
Verify that the IP addresses and subnet masks of the ZyWALL
and you computer are in the same range.