ZyXEL Communications P-2302HWUDL-P1 Guía de usuario Pagina 287

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P-2302HWUDL-P1 Series User’s Guide
287
CHAPTER 25
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
ZyXEL Device Access and Login
Internet Access
Phone Calls and VoIP
Problems With USB Device Connection
25.1 Power, Hardware Connections, and LEDs
V The ZyXEL Device does not turn on. None of the LEDs turn on.
1 Make sure you are using the power adaptor or cord included with the ZyXEL Device.
2 Make sure the power adaptor or cord is connected to the ZyXEL Device and plugged in
to an appropriate power source. Make sure the power source is turned on.
3 Turn the ZyXEL Device off and on.
4 Disconnect and re-connect the power adaptor or cord to the ZyXEL Device.
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 Section 1.4 on page 36.
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 ZyXEL Device.
5 If the problem continues, contact the vendor.
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