Eero Red Light Problem: Easy Troubleshooting Tips

If your Eero device is blinking or showing a solid red light, it’s trying to tell you something’s wrong. While the sleek design of Eero routers makes them easy to use, it also means you rely on a single LED light to understand what’s happening. A red light is the one signal you don’t want to see—but don’t worry. It’s usually fixable with some simple troubleshooting.

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A red light on an Eero typically means the device has lost its internet connection. Whether the light is blinking or solid, the message is the same: the Eero can’t connect to the internet or communicate properly with the rest of your network. This can happen for a number of reasons, including issues with your modem, service outages, network misconfigurations, or hardware problems.

The first thing to check is whether your internet connection is working at all. Start by taking a look at your modem or gateway. If it has indicator lights, check whether it shows a proper connection to your internet service provider. If the modem itself isn’t online, then the issue is likely upstream, and your Eero is simply reflecting that by turning red. In this case, restarting your modem or contacting your provider might be the best course of action.

If your modem seems to be working correctly but the Eero is still showing red, make sure the Ethernet cable connecting the Eero to the modem is secure and undamaged. A loose or faulty cable can prevent your Eero from accessing the internet. Try unplugging and reconnecting both ends of the cable, or swapping it out for a different one if available. You’d be surprised how often a bad cable is the culprit behind connectivity issues.

Sometimes, the red light appears after a power outage or surge. In these situations, both your modem and Eero might need a fresh start. Power down both devices, wait for a minute, and then power them back on—starting with the modem. Once the modem fully boots up and shows it’s online, plug the Eero back in and wait a few minutes to see if the light turns from red to white.

If the red light continues, the problem might be with the Eero itself. Using the Eero app on your smartphone, check the status of the network. The app will often display a warning or error message and may guide you through fixing the issue. If the Eero is listed as offline, you can try restarting it directly through the app or manually unplugging and replugging the power cable.

In some cases, the Eero may lose connection with the main router if you're using multiple Eeros in a mesh setup. If a secondary Eero is blinking red, it might be out of range or unable to connect to the gateway Eero. Try moving it closer to the main unit and see if the light returns to white. You can also try connecting it temporarily via Ethernet to see if it regains its connection.

It’s also possible that a firmware update or network change triggered the issue. If you recently changed your network name, password, or ISP, or introduced new equipment like a switch or modem-router combo, your Eero might be having trouble adjusting. In these situations, resetting the Eero and setting it up again through the app can help.

To reset your Eero, locate the reset button—usually on the back or bottom of the device. Hold it down until the LED starts flashing. Once reset, you can walk through the setup process in the Eero app just like you did when you first installed it. This can resolve configuration problems that are preventing the device from reconnecting.

If none of these steps work, and your Eero continues to show a red light no matter what you try, it could indicate a hardware failure. While Eero devices are built to last, no piece of hardware is immune to wear and tear. If the device is still under warranty, it’s a good idea to reach out to Eero support for a replacement or further diagnostics.

In summary, the red light on your Eero might seem intimidating at first, but it’s just a signal that something needs attention. In most cases, a bit of basic troubleshooting—checking cables, rebooting devices, or adjusting your network setup—can bring everything back online. And if not, help is only a few steps away. With a little patience, your Eero can be back to delivering smooth, reliable Wi-Fi in no time.

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