Chapter 3 Troubleshooting
LED Is Not Lit, Abnormal Lighting or Blinking
The power LED is not lit. • Confirm that the AC adapter or power cable is connected to the inlet.
The diag LED is blinking red.
• If it blinks once per a second, a loop is detected. Check the cabling.
• If your switch has fans and its diag LED is blinking fast, a fan error may be
occurring. Disconnect the power cable and reconnect it. If the LED keeps
blinking, contact our technical support.
The link/act LED is not lit.
• Confirm that the Ethernet cable is connected to both the switch and the
device.
• Confirm that the switch and the connected device are both powered on.
• Confirm that the Ethernet cable type and length is compatible with the
switch.
Cannot initialize with the
reset button on the switch
• Confirm whether the physical reset button is enabled in Settings.
• If the physical reset button is disabled and you forgot the password of
Settings, contact our technical support.
Cannot Access Settings
• Make sure that your PC is connected to the switch.
• Access Settings with the switch’s IP address (192.168.1.254 by default).
• Confirm that the username (“admin” by default) and the password (“password” by default) are correct. If you
forgot the username or password, initialize the switch.
• If a proxy server is configured for the web browser, disable the proxy server or add the switch’s IP address to the
proxy server’s exception list.
• Confirm that your PC is connected to the port which belongs to the management VLAN.
Forgot the Password
• The password is “password” by default. If you changed the password, press the reset button to initialize.
• If the physical reset button is disabled and you forgot the password of Settings, contact our technical support.
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Chapter 3 Troubleshooting
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