ZyXEL P-2812HNU-F1 User Guide - Page 273
Troubleshooting
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CHAPTER 27 Troubleshooting 27.1 Overview 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 • Device Access and Login • Internet Access • Wireless Internet Access • Phone Calls and VoIP • USB Device Connection • UPnP 27.2 Power, Hardware Connections, and LEDs The Device does not turn on. None of the LEDs turn on. 1 Make sure the Device is turned on. 2 Make sure you are using the power adaptor or cord included with the Device. 3 Make sure the power adaptor or cord is connected to the Device and plugged in to an appropriate power source. Make sure the power source is turned on. 4 Turn the Device off and on. 5 If the problem continues, contact the vendor. One of the LEDs does not behave as expected. 1 Make sure you understand the normal behavior of the LED. See Section 1.6 on page 24. 2 Check the hardware connections. See the Quick Start Guide. P-2812HNU(L)-Fx Series User's Guide 273