How to Fix an Eero Red Light After a Power Outage (Step-by-Step) Eero showing a solid red light after a power outage? Learn why boot timing fails and follow our 4-step guide to restore your Wi-Fi without losing settings. A power outage can interrupt the connection between your modem and eero gateway, even after electricity returns. A solid red eero light means the device is offline ; it doesn’t necessarily mean the eero itself is broken. The modem may still be reconnecting to your internet provider, or a cable or port may need attention. Follow these checks in order. They’re designed to restore the connection before you try a reset that could erase settings. 1. Hardware Inspection: Checking Your Modem & Ethernet Integrity First, identify your gateway eero: it’s the eero connected by Ethernet to your modem or fiber ONT. Check that both devices have power and look at their status lights. If the modem or ONT indicates that its internet or online service is down, your eero may sim...