ZyXEL VES1724-56B2 User Guide - Page 377
Troubleshooting
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CHAPTER 46 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 • Switch Access and Login • Switch Configuration 46.1 Power, Hardware Connections, and LEDs The Switch does not turn on. None of the LEDs turn on. 1 Make sure the Switch is turned on (in DC models or if the DC power supply is connected in AC/DC models). 2 Make sure you are using the power adaptor or cord included with the Switch. 3 Make sure the power adaptor or cord is connected to the Switch and plugged in to an appropriate power source. Make sure the power source is turned on. 4 Turn the Switch off and on (in DC models or if the DC power supply is connected in AC/DC models). 5 Disconnect and re-connect the power adaptor or cord to the Switch (in AC models or if the AC power supply is connected in AC/DC models). 6 If the problem continues, contact the vendor. The ALM LED is on. 1 Turn the Switch off and on (in DC models or if the DC power supply is connected in AC/DC models). 2 Disconnect and re-connect the power adaptor or cord to the Switch (in AC models or if the AC power supply is connected in AC/DC models). 3 If the problem continues, contact the vendor. VES1724-56 User's Guide 377