ZyXEL Communications XS3800-28, User Manual, Page: 748 / 789

XS3800-28 User’s Guide
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C
HAPTER
89
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
89.1 Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
1
Make sure you are using the power adapter or cord included with the Switch.
2
Make sure the power adapter or cord is connected to the Switch and plugged in to an appropriate
power source. Make sure the power source is turned on.
3
Disconnect and re-connect the power adapter or cord to the Switch.
4
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 3.3 on page 52 .
2
Check the hardware connections. See Section 3.1 on page 45 .
3
Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4
Disconnect and re-connect the power adapter or cord to the Switch.
5
If the problem continues, contact the vendor.