1. Guia de configuració
This section guides you through the initial setup and installation of your BIWIBON BCA-02 Smart Fingerprint Door Lock.
1.1 Contingut del paquet
Verifiqueu que tots els components siguin presents al vostre paquet:
- Manual d'usuari
- Mànec frontal
- Tirador posterior
- Pestillo únic
- Placa de vaga
- 2 claus mecàniques
- 2 Targetes IC
- Square Cotter
- 2 Spiral Tubes
- Screws (Spare Package)

Image: All components included with the BIWIBON BCA-02 Smart Fingerprint Door Lock, including the front and back handles, latch, keys, and IC cards.
1.2 Eines necessàries
A basic screwdriver is typically sufficient for installation. No extra drilling or specialized tools are usually required.
1.3 Preparació de la porta
Ensure your door meets the following specifications for proper installation:
- Gruix de la porta: 35 mm-55 mm (1.38-2.17 polzades)
- Part posterior: Adjustable between 60mm (2-3/8 inches) and 70mm (2-3/4 inches)
- Diàmetre del forat de la porta: 54 mm (2-1/8 polzades)

Image: Diagram illustrating standard US door dimensions and how the lock components fit, including backset and hole diameter measurements.
1.4 Passos d'instal·lació
Follow these steps to install your smart door lock. For a visual guide, please refer to the installation video below.
- Adjust Latch Backset: The latch is initially set for 60mm (2-3/8 inches). Adjust it to 70mm (2-3/4 inches) if required by your door size. Ensure the latch is horizontal, not inclined.
- Instal·leu el tancament: Insert the latch into the door edge and secure it with screw A. Ensure the slotted hole is centered in the door hole.
- Install Front Handle: Fix and tighten the spiral tubes onto the front handle. Route the wire through the square cotter and insert it into the latch hole, then fix the front panel. This lock is suitable for both left and right-handed doors without special adjustment for handle direction.
- Install Back Handle: Remove the battery cover from the back handle. Route the wire through the back panel. Connect the wire on the battery box and ensure a tight wire connection. Secure the back handle with screw B. When fixing screw B, press the handle down to insert the screw and tighten it through the hole in the back handle.
- Insereix les piles: Install 4 AAA alkaline batteries (not included) into the battery box.
- Prova de funcionament: After installation, test all unlocking methods to ensure proper functionality.
Video: Official BIWIBON BCA-02 Fingerprint Door Lock Installation Guide. This video demonstrates the step-by-step process of installing the smart door lock, including latch adjustment, handle assembly, and wiring connections.
2. Instruccions de funcionament
Your BIWIBON BCA-02 Smart Fingerprint Door Lock offers multiple convenient ways to access your space.
2.1 Mètodes de desbloqueig
The lock supports the following unlocking methods:
- Reconeixement d'empremtes digitals: Place your registered finger on the sensor for quick access. The enhanced 508 DPI fingerprint sensor module provides a recognition rate of over 99% in 0.2 seconds.
- Control intel·ligent de l'aplicació: Use the dedicated mobile application (Tuya Smart App) to unlock the door remotely via Bluetooth. With the optional BIWIBON Gateway (sold separately), you can control the lock from anywhere.
- Targetes IC: Tap a registered IC card on the designated area of the handle to unlock.
- Introducció de contrasenya: Enter your programmed passcode on the touchscreen keypad. The anti-peeping feature allows you to input random digits before and after your actual code to protect your PIN.
- Claus mecàniques: For traditional backup, use the provided mechanical keys to unlock the door.

Image: Visual representation of the various unlocking methods available for the BIWIBON BCA-02 lock, including app, fingerprint, IC card, password, and backup key.

Image: Illustration of the smart app control features, such as keyless entry, share access, auto-lock, remote passcode generation, and access history viewing.
2.2 Mètodes de bloqueig
The lock can be secured in the following ways:
- Bloqueig automàtic: The lock can be configured to automatically lock after a set period once the door is closed.
- Bloqueig manual: Press the lock button on the handle or use the mobile app to manually lock the door.
2.3 Característiques especials
- Mode de pas: Activate Passage Mode to keep the door unlocked for extended periods, useful during gatherings or when frequent access is needed.
- Control per veu (opcional): When paired with the BIWIBON Gateway (sold separately), the lock can be integrated with Alexa or Google Home for voice-activated unlocking.

Image: Highlights advanced features such as storage capacity for 100 fingerprints, 100 passwords, and 100 IC cards, along with optional voice control compatibility with Alexa and Google Assistant via the BIWIBON Gateway.
3. Manteniment
Un manteniment adequat garanteix la longevitat i el rendiment òptim del pany de porta intel·ligent.
3.1 Gestió de la bateria
- Tipus de bateria: The lock requires 4 AAA alkaline batteries (not included).
- Alerta de bateria baixa: The lock will provide a low battery warning signal when the batteries need replacement.
- Alimentació d'emergència: In case of a completely dead battery, you can use an external power bank connected via the emergency charge port (USB) to temporarily power the lock for unlocking. This port is for power only, not for charging the internal batteries.
- Claus de còpia de seguretat: Always keep your spare mechanical keys within reach for emergency access.

Image: Details on how to manage battery life, including low battery alerts, emergency power bank usage, and the importance of keeping mechanical backup keys accessible.
3.2 Neteja
Netegeu la superfície del pany amb un drap suau i sec. Eviteu utilitzar productes de neteja abrasius o dissolvents que puguin danyar l'acabat o els components electrònics.
4. Solució De Problemes
If you encounter issues with your BIWIBON BCA-02 Smart Fingerprint Door Lock, refer to the following common problems and solutions:
- Empremta digital no reconeguda: Ensure your finger is clean and dry. Try repositioning your finger on the sensor. Re-register your fingerprint if the issue persists.
- El bloqueig no respon: Check the battery level. If batteries are low or dead, replace them or use an emergency power bank. Ensure the wire connections are secure.
- Problemes de connectivitat de l'aplicació: Ensure Bluetooth is enabled on your phone and you are within range of the lock. If using the BIWIBON Gateway, ensure it is properly connected to Wi-Fi and within range of both the lock and your router. Try restarting the app or your phone.
- Incorrect Password Entry: Ensure you are entering the correct password. Utilize the anti-peeping feature by entering random digits before and after your actual code.
- IC Card Not Working: Ensure the IC card is properly registered. Try tapping the card firmly on the sensor.
- Clau mecànica no funciona: Assegureu-vos que la clau estigui completament inserida i girada correctament. No forceu la clau.
5. Especificacions del producte
| Característica | Especificació |
|---|---|
| Marca | BIWIBON |
| Nom del model | BCA-02 |
| Tipus de bloqueig | Biometric, App Control, Touchscreen Keypad |
| Material | Metall |
| Color | Negre |
| Dimensions de l'article (L x A x A) | 5.7 x 2.75 x 2.35 polzades |
| Pes de l'article | 2.15 lliures |
| Font d'alimentació | 4 piles AAA (necessàries, no incloses) |
| Protocol de connectivitat | Wi-Fi (with optional Gateway) |
| Característiques especials | Smart Door Knob, Up to 100 Fingerprints, 100 IC Cards, 100 Passwords, Bluetooth Unlock, One Touch Unlock, Smart Control with app, Auto Lock, Passage Mode, Silent Mode, Easy Install, Emergency Charge |
6. Garantia i Suport
For warranty information, product support, or technical assistance, please refer to the warranty card included in your product packaging or contact BIWIBON customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, please visit the official BIWIBON store or contact their support channels.