36

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

36.1Power, Hardware Connections, and LEDs

The Switch does not turn on. None of the LEDs turn on.

1Make sure you are using the power adaptor or cord included with the Switch.

2Make 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.

3Disconnect and re-connect the power adaptor or cord to the Switch.

4If the problem continues, contact the vendor.

The ALM LED is on.

1Disconnect and re-connect the power adaptor to the Switch.

2If the problem continues, contact the vendor.

One of the LEDs does not behave as expected.

1Make sure you understand the normal behavior of the LED. See Section 3.3 on page 46.

2Check the hardware connections. See the Quick Start Guide and Section 36.1 on page 271.

3Inspect your cables for damage. Contact the vendor to replace any damaged cables.

4Disconnect and re-connect the power cord to the Switch.

5If the problem continues, contact the vendor.

 

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GS-3012/GS-3012F User’s Guide