When a wireless smart thermostat refuses to connect to your home network, the issue often stems from weak signal strength, incorrect authentication credentials, or router frequency band restrictions. If the thermostat is installed far away from your wireless router or separated by thick walls, the Wi-Fi signal may be too weak to complete the handshake. Furthermore, if your router broadcasts only on a 5 GHz frequency while your thermostat requires a 2.4 GHz band, connection will fail. You can troubleshoot by moving your router closer, installing a Wi-Fi range extender, checking network password accuracy, and restarting both the router and the thermostat. You can verify that the connection issue is resolved when the thermostat successfully scans, detects, and connects to your home wireless network.
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