An orange light on a TP Link router may be a sign of configuration or connectivity problems. This typically indicates that your modem is not sending internet to the router. Make sure all cables are connected correctly, restart the router and modem, and look for service interruptions to resolve the issue. To check WAN settings and upgrade firmware if necessary, go to the router's settings on tplinkwifi.net. You may quickly and efficiently restore your internet connection by following these methods to fix the TP Link router orange light. After troubleshooting, if the problem still exists, contact support.