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CHAPTER 44
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
• Power, Hardware Connections, and LEDs
• ZyWALL Access and Login
• Internet Access
• Wireless Router/AP Troubleshooting
• UPnP
44.1 Power, Hardware Connections, and LEDs
V The ZyWALL does not turn on. None of the LEDs turn on when you turn on the
ZyWALL.
7 Make sure you are using the power adaptor or cord included with the ZyWALL.
8 Make sure the power adaptor or cord is connected to the ZyWALL and plugged in to an
appropriate power source. Make sure the power source is turned on.
9 Disconnect and re-connect the power adaptor or cord to the ZyWALL.
10 If the problem continues, contact the vendor.
V One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.5 on page 47.
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Disconnect and re-connect the power adaptor to the ZyWALL.
5 If the problem continues, contact the vendor.