Appendix A: Troubleshooting Guide - TP-Link TL-WPA4220 User Manual

Appendix A: Troubleshooting Guide

The Troubleshooting Guide provides answers to common problems regarding the powerline Ethernet
adapter.
1. The Power LED does not light up.
Ans. Check the following:
1) Make sure that the powerline extender is properly plugged into a power outlet.
2) Make sure the power outlet is active (working) by plugging another electric device into it.
3) Re-plug the powerline extender to the power outlet.
If the Power LED still fails to light up, contact your local dealer for technical support.
2. The Ethernet LED does not light up.
Ans. Check the following:
1) Make sure that the Ethernet cable (RJ45) is properly connected to the powerline extender's
Ethernet port and the other end of the Ethernet cable (RJ45) is properly connected to the computer
LAN card or to your Cable/xDSL Ethernet port.
2) Make sure your computer LAN card is properly installed and configured.
3) Make sure your Cable/xDSL broadband access is working and configured correctly.
Contact your local dealer for technical support if the Ethernet LED still fails to light up after the above
procedures.
3. Powerline LED does not light up.
Ans. Check the following:
1) Try to plug a powerline Ethernet adapter into a nearby power outlet and check whether the
Powerline LED lights up or not.
2) Make sure that the device is plugged into a wall socket instead of a power strip.
3) Follow the method in
connection again.
4) Reset the device to its factory default values.
Contact your local dealer for technical support if the Powerline LED still fails to light up after the above
procedures.
TL-WPA4220
"5.2 Setting Up a Powerline Network with the Pair
300Mbps AV500 WiFi Powerline Extender
37
Button" to establish the