ZyXEL Communications EX3510-B1, User Manual

Page: 276 / 313

EX3510-B1 User’s Guide
276
C
HAPTER
37
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
• Wireless Internet Access
• UPnP
• IP Address Setup
37.1 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 adapter included with the Zyxel Device.
3
Make sure the power adapter 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 Table 2 on page 20 .
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.