Troubleshooting - ZyXEL Communications ZyWALL USG 2000 User Manual

Unified security gateway

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Table of Contents

This chapter offers some suggestions to solve problems you might encounter.

• You can also refer to the logs (see

descriptions,

For the order in which the ZyWALL applies its features and checks, see

None of the LEDs turn on.

ZyWALLMake sure that you have both power cords connected to the ZyWALL and

plugged into appropriate power sources. Make sure you have both of the ZyWALL's

power switches turned on. Make sure you have the ZyWALL turned on. Check all

cable connections.

If the LEDs still do not turn on, you may have a hardware problem. In this case,

you should contact your local vendor.

There is an audible alarm and one of the PWR lights is red.

• One of the power modules is not supplying power. Press the BUZZER RESET

button on the ZyWALL's front panel to stop the audible alarm.

• Check the power connections. Make sure that you have both power cords

connected to the ZyWALL and plugged into appropriate power sources. Also

make sure you have the power sources and both of the ZyWALL's power

switches turned on.

• Replace the ZyWALL power module that has a red PWR light.

Cannot access the ZyWALL from the LAN.

• Check the cable connection between the ZyWALL and your computer or switch.

ZyWALL USG 2000 User's Guide

Troubleshooting

Chapter 10 on page

Appendix A on page

261). For individual log

Section 6.4 on