Buoan YL-98-sliver
Electronic Keypad Door Knob User Manual
Brand: Buoan | Model: YL-98-sliver
Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Buoan Electronic Keypad Door Knob. Designed for convenience and security, this smart lock offers keyless entry and robust features for various applications.
Key Features:
- Easy Installation: Designed for quick setup with minimal tools.
- Anti-Slip Handle: Features an exquisite pattern for a secure grip.
- Automatic Locking: Door automatically locks 2.5 seconds after closing.
- Waterproof (IP65): Suitable for various weather conditions.
- Multiple Unlocking Ways: Code entry and mechanical key.
- Anti-Peeping Function: Enhanced security for code entry.
- Silent Mode: Option to disable prompt tones.
- Low Battery Alert: Notifies user when batteries are low.
Setup and Installation
The Buoan Electronic Keypad Door Knob is designed for straightforward installation. A screwdriver is typically the only tool required. Ensure your door meets the standard US door specifications for proper fit.
Installation Steps:
- Prepare the Door: Ensure the door is properly prepped for a standard door knob installation. This lock is suitable for most standard doors in the United States.
- Install the Latch: Insert the latch into the door edge and secure it with screws.
- Install Outside Knob: Feed the power cable through the latch and guide the spindle through until the outside rose sits flush.
- Install Inside Knob: Feed the power cable through the hole in the inside knob and guide the spindle into the handle. Screw the inside knob to the outside knob using mounting screws.
- Install Batteries: Install 4 pieces of LR6 / 1.5V AA alkaline batteries into the battery box, ensuring correct polarity (+/-). Incorrect installation can prevent the product from working or cause malfunction.
- Connect Power Cord: Plug the power cord into the power socket inside the knob.
- Secure Battery Cover: Recycle any excess power cord into the hole and install the battery cover in the correct orientation, fastening with screws.
- Test Functionality: Input the default password (e.g., 0123#) and turn the knob to verify normal unlocking.

Door Thickness Compatibility: This image illustrates the compatible door thickness and backset measurements for the lock, ensuring it fits most standard doors.

Easy Installation Overview: A visual guide showing the simplicity of installing the keypad door knob, highlighting the minimal tools required.
Installation Video: This video provides a detailed walkthrough of the installation process for the YL-98 Electronic Keypad Door Knob, covering marking, drilling, and assembly steps.
Operating Instructions
Your Buoan Electronic Keypad Door Knob offers multiple modes and features for daily use.
Unlocking with a Code:
To unlock the door, simply enter your programmed passcode followed by the '#' key. The keypad will light up, and the lock will disengage, allowing you to turn the knob and open the door.
Automatic Locking:
The door knob is designed to automatically lock 2.5 seconds after the door is closed, providing peace of mind and enhanced security.
Passage Mode:
Passage mode allows the door to remain unlocked for continuous access without requiring a code. To enable/disable passage mode, enter your master password, wait for the beep, then press '*' followed by '#' in quick succession.
Silent Mode:
To turn off the prompt tone (silent mode), press and hold the '*' key for 5 seconds. To turn the prompt tone back on, press and hold the '*' key for another 5 seconds.
Anti-Peeping Function:
For added security, you can enter random digits before or after your actual passcode. As long as the correct passcode sequence is embedded within the entered digits, the lock will still open, preventing others from easily discerning your code.

Multi-function and Easy Operation: This image highlights various features such as multiple user codes, anti-peeping, passage mode, auto-lock, low battery indication, and silent mode, along with key and USB charging options.

Silent and Passage Modes: This image explains how to activate silent mode by long-pressing the '*' key and how to enable/disable passage mode using the master password and '#' key.

Convenient Access: This image illustrates the convenience of providing temporary passcodes for visitors, enhancing security and flexibility.
How to Use YL-98: This video demonstrates the various operational features of the YL-98 lock, including changing master codes, adding/changing/deleting user passwords, passage mode, silent mode, and anti-peeping password functionality.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your keypad door knob.
Battery Replacement:
The lock features a low battery alert. When the batteries are running low, the lock will emit a lower tone when buttons are pressed, indicating it's time for replacement. Replace with 4 new LR6 / 1.5V AA alkaline batteries. Ensure correct polarity during installation.
If the battery is completely dead, the lock can be temporarily powered via USB for emergency unlocking, but this does not charge the internal batteries. Replace the batteries immediately if they run out of power.

Battery Information: This image from the packaging details highlights that batteries are not included and recommends using 1.5V AA alkaline batteries.
Troubleshooting
Here are some common issues and their solutions:
- Lock Not Responding: Check if the batteries are correctly installed and have sufficient charge. Replace batteries if necessary.
- Incorrect Code Entry: Ensure you are entering the correct passcode. Utilize the anti-peeping function by adding random digits before or after your code if you suspect someone is observing.
- Lock Not Auto-Locking: Verify that the door closes completely and the latch is not obstructed. Check if passage mode is accidentally enabled.
- Buttons Not Lighting Up: This could indicate very low or dead batteries. Replace the batteries.
- Difficulty Turning Knob After Code Entry: Ensure the correct code was entered and the lock emitted the unlock tone. If the issue persists, the internal mechanism might require inspection.
- Resetting Password: If you forget your master code or need to reset all passwords, refer to the
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