Troubleshooting; Chapter 45 Troubleshooting; Power, Hardware Connections, And Leds - ZyXEL Communications ES3500-24 User Manual

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
45.1 Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
Make sure the Switch is turned on.
1
Make sure you are using the power adaptor or cord included with the Switch.
2
Make sure the power adaptor or cord is connected to the Switch and plugged in to an appropriate
3
power source. Make sure the power source is turned on.
Turn the Switch off and on.
4
Disconnect and re-connect the power cord to the Switch.
5
If the problem continues, contact the vendor.
6
The ALM LED is on.
Turn the Switch off and on.
1
Disconnect and re-connect the power adaptor or cord to the Switch.
2
If the problem continues, contact the vendor.
3
One of the LEDs does not behave as expected.
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