TP-Link error codes and indicator lights
Each table applies only to the model named above it.
TP-Link Archer AX21 AX1800 Wi-Fi 6 router
| Indicator | Meaning on Archer AX21 |
|---|---|
| Power LED on | The system has started up successfully. |
| Power LED blinking | The router is starting up or the firmware is being upgraded. |
| Power LED off | The router has no power. |
| 2.4 GHz Wireless LED on | The 2.4 GHz wireless band is enabled. |
| 2.4 GHz Wireless LED off | The 2.4 GHz wireless band is disabled. |
| 5 GHz Wireless LED on | The 5 GHz wireless band is enabled. |
| 5 GHz Wireless LED off | The 5 GHz wireless band is disabled. |
| Internet LED, Green on | Internet service is available. |
| Internet LED, orange | The Internet port is connected, but internet service is not available. |
| Internet LED off | The Internet port is unplugged. |
| Ethernet LED on | At least one powered-on device is connected to an Ethernet port. |
| Ethernet LED off | No powered-on device is connected to an Ethernet port. |
| WPS LED on | A WPS connection was established. |
| WPS LED blinking | A WPS connection is in progress. |
TP-Link Archer AX55 AX3000 Wi-Fi 6 router
| Indicator | Meaning on Archer AX55 |
|---|---|
| Power LED on | The system has started up successfully. |
| Power LED, slow blinking | The router is starting up or the firmware is being upgraded. |
| Power LED, quick blinking | A WPS connection is in progress. |
| Power LED off | The router has no power. |
| 2.4 GHz Wireless LED on | The 2.4 GHz wireless band is enabled. |
| 2.4 GHz Wireless LED off | The 2.4 GHz wireless band is disabled. |
| 5 GHz Wireless LED on | The 5 GHz wireless band is enabled. |
| 5 GHz Wireless LED off | The 5 GHz wireless band is disabled. |
| Internet LED, Blue on | Internet service is available. |
| Internet LED, orange | The Internet port is connected, but internet service is not available. |
| Internet LED off | The Internet port is unplugged. |
| Ethernet LED on | At least one powered-on device is connected to an Ethernet port. |
| Ethernet LED off | No powered-on device is connected to an Ethernet port. |
| USB LED on | The inserted USB device is ready to use. |
| USB LED blinking | A USB device is being identified. |
| USB LED off | No device is plugged into the USB port. |
TP-Link Deco X55 AX3000 mesh Wi-Fi 6 system
| Indicator | Meaning on Deco X55 |
|---|---|
| Status LED, pulsing yellow | The Deco is resetting. |
| Status LED, solid yellow | The Deco is starting up. |
| Status LED, pulsing blue | The Deco is ready for setup. |
| Status LED, solid blue | The Deco is setting up. |
| Status LED, pulsing green | The Deco is upgrading firmware. |
| Status LED, solid green | The Deco is all set up and connected. |
| Status LED, pulsing red | The satellite Deco is disconnected from the main Deco. |
| Status LED, solid red | The Deco has an issue. On the main Deco, it cannot reach the Internet. |