How to Fix Eufy Smart Lock Auto Lock Not Working?

If you are experiencing issues with the auto-lock function on your Eufy smart lock, there are several things you can try to fix it.

First, make sure that the auto-locking function is enabled.

If it is enabled, try recalibrating the lock geomagnetism via the EufySecurity app after closing the door.

You can also check the batteries, update the software, restart the lock, or reset it with the reset button.

Some users have reported that recalibrating the lock works for a short period of time before the issue returns.

Guide to Fix Eufy Smart Lock Auto-Lock Not Working

If you recently purchased a Eufy Smart Lock and are unable to get the auto-lock feature to work, you may be feeling frustrated and overwhelmed.

Fortunately, this guide will provide you with step-by-step instructions on how to troubleshoot and fix the issue so you can get your smart lock up and running again in no time.

Check that the Auto-Locking Function is Enabled

To check if the auto-locking function is enabled on your Eufy smart lock, open the Eufy Security app on your mobile device and go to the smart lock device tab.

Click on “Lock Settings” and then check if the auto-lock feature is turned on or off. If it is turned off, move the switch to the “on” position.

If you are having trouble finding the auto-lock feature, you can follow the steps provided in the Eufy Support page to activate it.

Restart the Lock

To restart your Eufy smart lock, press and hold the reboot button located at the bottom of the lock near the USB port for about 5 seconds.

Release the button when you notice the lock is restarting.

Restarting a malfunctioning smart device is usually a go-to solution for some minor issues.

If your Eufy smart lock auto-lock is still not working after restarting, you can try other troubleshooting tips such as checking the batteries, enabling auto-locking, calibrating the lock, updating the software, or resetting the lock with the reset button.

Calibrate the Lock

To calibrate your Eufy smart lock, you need to keep the door closed and then select “Lock Settings” > “Lock Calibration” > “Calibrate the Lock” on the EufySecurity app

This process will recalibrate the lock geomagnetism and may help fix issues with the auto-lock feature

It is important to ensure that the front lock key cover is covered to ensure successful calibration.

If you encounter any issues during the calibration process, you can try restarting the lock or updating the software.

Recharge/Replace the Battery

If you are experiencing issues with your Eufy smart lock, it may be due to low battery life.

To recharge or replace the battery, you can follow the instructions:

  • For the T8500, T8501, and T8510 smart lock models, you can replace the 4 AA batteries with brand new batteries.
  • For the T8520 smart lock model, you need to remove the rechargeable battery from the smart lock before charging it. It is recommended to use a 5V/2A charger to fully recharge the battery.
  • To charge the battery, gently slide off the bottom panel of the lock from the outside panel, take the battery out by lifting it, and place the bottom panel back on while charging.

If you are having trouble charging the battery, you can try using a different charger or replacing the batteries.


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