ES-1124 User’s Guide

25

C

H A P T E R

4 

Troubleshooting

This chapter offers some suggestions to solve problems you might encounter.

V

The switch does not turn on. None of the LEDs turn 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 power source. Make sure the power source is turned on.

3

Turn the switch off and on.

4

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

5

If the problem continues, contact the vendor.

V

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 24

.

2

Check the hardware connections. See 

Section 3.1 on page 21

.

3

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

4

Disconnect and re-connect the power adaptor to the switch.

5

If the problem continues, contact the vendor.