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The pairing failed because the phone did not join the lock's Wi-Fi module within the required time. Once the Wi-Fi module's activation period expires, the lock automatically exits pairing mode to save power.

Operation Process:

1. Enter Menu: Press 1+# → Enter your Administrator Password.
2. Reactivate WiFi Module: Press 1 (Administrator Setting) → Press 3 (WiFi Connection) to restart the pairing window.

1. Press1 + # → Enter the administrator password
2. Press 3 to enter system settings
3. Press 4 to enter "Door Opening Direction" settings
4. Select the direction according to the voice prompts.

• Reason: During installation, the metal rod (spindle) of the front lock was not fully aligned with the latch and back motor, or was not inserted vertically.
• Solution: Reinstall the lock according to the instructions. Ensure the square spindle is fully inserted and the back motor (inside mechanism) is positioned correctly.

1. Press 1 + # → Enter the administrator password
2. Press 3 to enter system settings
3. Press 6 to enter "Auto-Lock" settings
4. Press 1 to start and select the time according to the voice prompts: 5s, 10s, 15s, 30s, or 60s.

1. Press 1 + # → Enter administrator password
2. Press 2 to enter [General User Settings]

Select:

• Press 1 to add a user (supports password/fingerprint, follow voice prompts for registration)
• Press 2 to delete a user

Note:
It is recommended that users connect to Wi-Fi and use the SMART LIFE App to add and delete users (for a clearer experience and more convenient management).

Reason:

• Your finger is too dry, too wet, or greasy.
• The fingerprint entry was incomplete (e.g., only the center was recorded, but not the edges/sides).
• There is dirt or residue on the surface of the fingerprint module.

Solution:

• Crucial Step: Before re-registering, wash and dry your hands thoroughly. Ensure your skin is free of peeling, dirt, or sticky residue.
• Clean the fingerprint area with a soft, dry cloth.
• Re-register the fingerprint: Ensure you record multiple angles and press your finger several times during the entry process to cover the entire surface of your fingertip.

Reason:

• Using standard batteries, which have a short lifespan.
• Poor battery contact due.
• The door is installed too tightly, causing high friction for the latch and forcing the motor to consume more power to move.

Solution:

• Use high-quality 4 AA and avoid low-cost products with unstable currents.
• Check the battery springs to ensure they are pressed firmly against the batteries.
• Check if the latch is rubbing against the door frame; adjust the strike plate if necessary.
• Consider using rechargeable lithium batteries as a long-term replacement.

Pro Tip:

• Use a set of 8 rechargeable batteries. This allows you to cycle four in the device while the other four are charging, ensuring a continuous supply of full power at all times.

Reason:

• The door panel is tilted or misaligned.
• The strike plate hole position is offset.

Solution:

• Adjust the panel to ensure it is level and horizontal.
• Reposition the strike plate on the door frame to ensure smooth operation.
• Check if the latch is rubbing or scraping against the frame.

Network Connection: A poor network connection can cause significant lag when updating settings or sending commands via the app.

Solution:
Ensure your lock has a strong, stable Wi-Fi signal to minimize latency and ensure smooth operation.

Reason: The noise is usually caused by mechanical friction from a misaligned latch or mounting screws that are either too tight or too loose, creating internal tension.Solution:

• Check System Settings: Press 1# → Admin Password → 3 (System Setting) → 4 (Door Opening Direction). Ensure the setting matches your door's physical swing.
• Adjust Strike Plate: Slightly reposition or file the strike plate on the door frame to ensure the latch enters the hole smoothly without rubbing.
• Calibrate Screws: Check the mounting screws on the internal panel. If they are over-tightened, loosen them slightly to allow the motor and gears to move freely.