ZyXEL Communications 5 Series User Manual
ZyWALL 5/35/70 Series User’s Guide
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H A P T E R
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Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
problems are divided into the following categories.
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54.1 Power, Hardware Connections, and LEDs
V
The ZyWALL does not turn on. None of the LEDs turn on.
1 Make sure the ZyWALL is turned on.
2 Make sure you are using the power adaptor or cord included with the ZyWALL.
3 Make sure the power adaptor or cord is connected to the ZyWALL and plugged in to an
2 Make sure you are using the power adaptor or cord included with the ZyWALL.
3 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.
4 Turn the ZyWALL off and on or disconnect and re-connect the power adaptor or cord to
the ZyWALL.
5 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
.
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 Turn the ZyWALL off and on or disconnect and re-connect the power adaptor or cord to
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Turn the ZyWALL off and on or disconnect and re-connect the power adaptor or cord to
the ZyWALL.
5 If the problem continues, contact the vendor.