ZyXEL P-660HW-D1 User Guide - Page 281
Troubleshooting
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CHAPTER 27 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 27.1 Power, Hardware Connections, and LEDs The ZyXEL Device does not turn on. None of the LEDs turn on. 1 Make sure the ZyXEL Device is turned on. 2 Make sure you are using the power adaptor or cord included with the ZyXEL Device. 3 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. 4 Turn the ZyXEL 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 28.1 on page 285. 2 Check the hardware connections. 3 Inspect your cables for damage. Contact the vendor to replace any damaged cables. 4 Turn the ZyXEL Device off and on. 5 If the problem continues, contact the vendor. ADSL Router Series User's Guide 281