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CHAPTER 5: TROUBLESHOOTING
The following table provides information for users to easily troubleshoot problems by taking actions based on the suggested
solutions.
TABLE 5-1. TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
SUGGESTED SOLUTIONS
System LED is OFF
The switch is not receiving
power
1. Check if correct power cord is connected firmly to the switch and to the AC outlet
socket.
2. Perform power cycling the switch by unplugging and plugging the power cord
back into the switch.
3. If the LED is still off, try to plug the power cord into different AC outlet socket
to make sure the correct AC source is supplied.
Port Status LED is OFF
The port is not connected
or the port is not working
1. Check if the cable connector plug is firmly inserted and locked into the port
at both the switch and the connected device.
2. Make sure the connected device is up and running correctly.
3. If the symptom still exists, try a different cable or a different port, to identify
if it is related to the cable or specific port.
4. Check if the port is disabled in the configuration settings via the web user
interface.
