If your Smart Lock C34/E30 appears offline in the app, please follow the troubleshooting steps below:
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Check Battery Level
Ensure the Smart Lock C34/E30 has sufficient battery power. You can confirm this by unlocking the device using the passcode keypad. If the battery is low, replace or recharge the batteries as needed.
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Confirm Wi-Fi Network Status
Verify that your home Wi-Fi network is functioning properly. Check if other devices connected to the same network have internet access.
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Reboot the Smart Lock
Reboot the Smart Lock C34/E30 by pressing the button located next to the USB-C port at the bottom of the device. This can help resolve minor connectivity issues.
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Reconnect via Bluetooth and Update Network Settings
Using the eufy app, connect to the Smart Lock C34/E30 via Bluetooth. Once connected, navigate to the Smart Lock’s Network settings and reconfigure or update the Wi-Fi connection if necessary.
If you have any other questions regarding the Smart Lock C34/E30, please don't hesitate to contact us for assistance.












