Buoan BUOAN-KP100
Buoan Keypad Door Knob Lock Instruction Manual
Model: BUOAN-KP100
Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your Buoan Keypad Door Knob Lock. Please read this manual carefully before installation and use to ensure proper function and safety.

Image: The Buoan Keypad Door Knob Lock, showing the black electronic knob with a numeric keypad and two physical keys.
Package Contents
Before beginning installation, verify that all components are present in the package:

Image: A flat lay of all components included in the Buoan Keypad Door Knob Lock package, including the knob, latch, strike plate, screws, keys, USB cable, and instruction manual. Note: Batteries are not included.
- Keypad Door Knob (Exterior)
- Interior Door Knob
- Latch Mechanism
- Strike Plate
- Mounting Screws
- Physical Keys (2)
- USB Emergency Power Cable
- Instruction Manual
- Installation Gloves (optional)
NOTE: Batteries are not included. We recommend using 1.5V AA alkaline batteries.
Setup and Installation
The Buoan Keypad Door Knob Lock is designed for easy installation on most standard doors. A screwdriver is the only tool required.
Door Compatibility
This lock is suitable for various door thicknesses and can be installed on both left and right-handed doors.

Image: Diagram illustrating compatible door thickness measurements and how to adjust the lock cylinder for different backsets (2.36" and 2.76").
Installation Steps
- Prepare the Door: Ensure your door has standard boreholes (typically 2-1/8" or 54mm) and backset.
- Install the Latch: Insert the latch mechanism into the door edge. Ensure the latch bolt faces the correct direction for your door swing.
- Separate the Knobs: As shown in the diagram, unscrew the two long screws at the back of the interior knob to separate the front (keypad) and back (interior) knob assemblies.
- Install Exterior Knob: Insert the exterior keypad knob through the door, ensuring the spindle aligns with the latch mechanism.
- Install Interior Knob: Connect the interior knob assembly to the exterior knob, aligning the screw holes and spindle.
- Connect Power: For the spring protruding part, please put the positive pole of the battery up. Plug the power cord into the power socket as shown.
- Secure the Knobs: Fasten the two long screws to secure both knob assemblies together.
- Install Strike Plate: Mount the strike plate on the door frame, aligning it with the latch bolt.

Image: Visual guide for installation, showing how to separate the knob components, insert batteries, and secure the lock to the door.
Operating Instructions
Unlocking Methods
Your Buoan Keypad Door Knob Lock offers two primary unlocking methods:
- Passcode Entry: Enter your programmed passcode on the keypad. The backlight illuminates when keys are pressed.
- Physical Key: Use the provided spare physical keys for manual unlocking. This is useful for emergencies or if batteries are depleted.

Image: Diagram highlighting various functions including multiple users, anti-peeping, passage mode, auto-lock, low battery indication, silent mode, and the location of the keyhole and USB emergency power port.
Automatic Locking
The lock features an automatic locking retractor. The door will automatically lock approximately 3 seconds after being opened. This function cannot be turned off.
Silent Mode
To activate or deactivate Silent Mode:
- Long press the "*" key for 5 seconds to enter Silent Mode.
- Long press the "*" key again for 5 seconds to cancel Silent Mode.
Passage Mode
If you do not require automatic locking, you can enable Passage Mode:
- After entering your master password and the beep stops, press "#" in quick succession to enable or disable Passage Mode.

Image: Visual explanation of how to activate Silent Mode (showing a sleeping baby) and Passage Mode (showing people socializing, implying easy access).
Temporary Access / "In and Out Free"
You can provide temporary access to visitors by sharing a passcode. The passcode can be changed on the lock when you return home, offering convenience and security.

Image: Two individuals, one outside and one inside, communicating via text message about sharing a temporary passcode for entry, illustrating the "In and Out Free" feature.
Maintenance
Battery Replacement
The lock will provide a low battery alert. Replace batteries immediately when this alert is active to ensure continuous operation. Use 1.5V AA alkaline batteries.
In case of complete battery depletion, the lock can be temporarily powered using the provided USB emergency power cable for unlocking.
Cleaning
Clean the lock's exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
Durability Features
The Buoan Keypad Door Knob Lock is constructed from zinc alloy for durability and features a special anti-slip handle design. It is also waterproof.

Image: Close-up views highlighting the anti-slip handle design and the high-quality, pick-proof lock tongue, contrasting with inferior designs.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond to keypad entry. | Low or dead batteries. Incorrect passcode entered. | Replace batteries. Use the USB emergency power cable. Verify the passcode. |
| Lock does not auto-lock. | Passage Mode is enabled. | Disable Passage Mode (refer to Operating Instructions). Note: Auto-lock cannot be turned off if Passage Mode is not active. |
| Keypad backlight not working. | Low batteries. | Replace batteries. |
| Difficulty turning the knob. | Improper installation or alignment. | Recheck installation steps, especially latch and knob alignment. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Buoan |
| Model Name | BUOAN-KP100 |
| Lock Type | Keypad |
| Material | Zinc |
| Color | Black |
| Product Dimensions (L x W x H) | 7.32 x 3.23 x 3.23 inches |
| Item Weight | 2 pounds |
| Special Features | Waterproof, Anti-slip Handle, Auto Lock, Backlight Keyboard, Anti-peeping |
| Unlocking Methods | Passcode, Physical Key |
| Power Source | AA Batteries (not included) |
| Emergency Power | USB |
| UPC | 780669095387 |
Warranty and Support
Buoan provides a free replacement service for 12 months for non-human caused damage. Lifelong service is also provided.
For further assistance or inquiries, please refer to the contact information provided with your purchase or visit the official Buoan store on Amazon: Buoan Smart Door Lock Store.