If you’re getting a Connection Failure message on your FocusPRO (TH6320WF, RTH6580WF, or TH6210WF) thermostat, it probably lost internet connection. Please follow the steps below to remedy the issue.
To reconnect your device to Wi-Fi:
If that doesn’t work, try the steps below:
Resetting Thermostat’s Wi-Fi Settings
Reconnecting Thermostat to Wi-Fi
If you’re still having issues, please call Honeywell Customer Care at 1-855-733-5465.