Hardware Installation and Reference Guide    Common Troubleshooting 
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6 Common Troubleshooting 
6.1   Troubleshooting Flowchart 
   
 
 
6.2   Common Faults 
6.2.1  The LED Is Off After the Device Is Powered On 
Check whether the supplied power adapter is connected properly, and whether the Ethernet cable is connected 
properly. 
6.2.2  Ethernet Port Is Not Working After the Ethernet Cable Is Plugged In 
Check whether the device at the other end of the Ethernet cable is working properly. Check whether the Ethernet 
cable is capable of providing the required data rate and is properly connected. 
6.2.3  A Client Cannot Discover the SSID of the Router 
(1)  Check whether the router is properly powered on.