1. Introducción
This manual provides detailed instructions for the installation, operation, and maintenance of your PHYSEN MMS-1-US-B Keyless Entry Fingerprint Deadbolt Lock. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. Información de seguridad
- No intente desmontar ni reparar la cerradura usted mismo. Esto podría anular la garantía y causar daños.
- Use only the specified 4 AA alkaline batteries. Do not mix old and new batteries or different types of batteries.
- Keep backup mechanical keys in a secure location outside your home.
- Ensure all screws are tightened securely during installation to prevent loosening and potential malfunction.
- Protect the keypad from excessive moisture or direct water exposure, despite its IP54 rating.
3. Contenido del paquete
Verifique que todos los artículos estén presentes en su paquete:
- Keyless Entry Fingerprint Deadbolt Lock (Exterior Unit)
- Unidad interior
- Pestillo ajustable
- Mounting Hardware (screws, plates)
- 2 Backup Mechanical Keys
- Manual de usuario
4. Características del producto
- Múltiples métodos de desbloqueo: Fingerprint, Passwords, One-time Codes, Mechanical Keys.
- Reconocimiento de huellas dactilares: Identifies fingerprints within 0.3 seconds with 99.99% recognition rate. Supports up to 100 fingerprints.
- Acceso mediante teclado: Admite hasta 100 códigos de usuario.
- Función de bloqueo automático: Customizable auto-lock time from 5-99 seconds.
- Código anti-mirones: Allows entry of random digits before/after the actual code to prevent unauthorized viewEn.
- Modo silencioso: Disables keypress sounds for quiet operation.
- Indicador de batería baja: Alertas cuando es necesario reemplazar las baterías.
- Carga de emergencia: Type-C port for temporary power if batteries die.
- Resistente a la intemperie: Clasificación IP54 para uso en exteriores.
- Compatibilidad: Fits American standard left and right-handed doors, with backset sizes 2-3/8" or 2-3/4" (60mm or 70mm).
5. Guía de instalación
5.1 Comprobación de compatibilidad de puertas
Antes de la instalación, asegúrese de que su puerta cumpla con las siguientes especificaciones:
- Agujero de la puerta: 2-1/8" (54 mm)
- Contracorriente: 2-3/8" o 2-3/4" (60 mm o 70 mm)
- Orificio del pestillo: 1" (25 mm)
- Espesor de la puerta: 1-3/8" a 2" (35-55 mm)
The lock is compatible with both left and right-handed doors. It will automatically recognize the opening direction after battery installation.

Figure 1: Door compatibility and dimensions.
5.2 pasos de instalación
Un destornillador es normalmente la única herramienta necesaria para la instalación.
- Quitar bloqueo existente: Carefully remove your current deadbolt and door handle.
- Instalar pestillo: Insert the new adjustable latch into the door edge. Ensure the latch is in the unlocked position before proceeding.
- Instalar unidad exterior: Place the exterior keypad unit onto the door, aligning the spindle with the latch mechanism.
- Instalar unidad interior: Connect the interior unit to the exterior unit, ensuring the cable is properly routed and not pinched. Secure with screws.
- Instale las baterías: Insert 4 AA alkaline batteries into the interior unit's battery compartment. The lock will perform an automatic door handing detection.
- Funcionalidad de prueba: After installation, test the lock and unlock functions using the default code (refer to manual for default) and mechanical key.

Figure 2: Easy installation process.
6. Instrucciones de funcionamiento
6.1 Multiple Ways to Lock/Unlock

Figura 3: Sobreview of lock/unlock methods.
6.1.1 Desbloqueo por huella dactilar
Coloque el dedo registrado sobre el sensor de huellas dactilares. La cerradura se desbloqueará si se reconoce la huella.

Figure 4: Advanced fingerprint unlock.
6.1.2 Keypad Code Unlock
Enter your programmed user code on the keypad, then press the lock button. The lock will unlock.
6.1.3 Desbloqueo con llave mecánica
In case of emergency or battery failure, use one of the provided mechanical keys to unlock the deadbolt.
6.2 Programming Codes and Fingerprints
Refer to the detailed instructions in the included user manual for specific steps on how to change the programming code, add new user codes, and register fingerprints. This typically involves pressing a 'Set' or '+' button on the interior unit and following voice prompts or visual cues on the keypad.
Video 1: Demonstration of battery installation and initial programming steps for the lock.
Video 2: Demonstration of adding a new user code and fingerprint to the lock.
6.3 Función de bloqueo automático
The auto-lock feature can be set to automatically lock the door after a specified period (5-99 seconds) once it's closed. To activate or adjust this feature, consult your user manual's programming section.

Figure 5: Smart auto-lock functionality.
6.4 Anti-Peeping Code
To enhance security, you can enter random digits before or after your actual user code. For example, if your code is 12345, you could enter 23712345961. The lock will still recognize the correct sequence within the longer string of numbers.
6.5 Modo silencioso
Activate silent mode to disable audible feedback from key presses, useful for quiet environments or late-night entry/exit.
7. Mantenimiento
7.1 Reemplazo de batería
The lock is powered by 4 AA alkaline batteries. When the low battery indicator appears, replace all four batteries promptly. Expected battery life is over 1 year under normal usage.
7.2 Energía de emergencia
If the batteries completely drain, you can temporarily power the lock using a Type-C USB cable connected to a power bank. This allows you to enter your code or fingerprint to unlock the door and then replace the batteries.
7.3 Limpieza
Limpie la superficie de la cerradura con un paño suave y seco. Evite usar limpiadores abrasivos o disolventes que puedan dañar el acabado o los componentes electrónicos.
8. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La cerradura no responde. | Baterías agotadas. | Reemplace las baterías o utilice energía de emergencia Tipo-C. |
| Huella dactilar no reconocida. | Dedo sucio/mojado, sensor sucio, huella dactilar no registrada. | Clean finger/sensor. Re-register fingerprint if necessary. |
| El código del teclado no funciona. | Incorrect code, code not programmed, anti-peeping sequence incorrect. | Verify code. Re-program code. Ensure correct anti-peeping usage. |
| El bloqueo automático no se activa. | Feature disabled, incorrect time setting. | Check auto-lock settings in programming mode. |
| La cerradura está atascada o es difícil de operar. | Misalignment during installation, debris in latch. | Check installation alignment. Clear any obstructions. |
9. Especificaciones
- Marca: PHYSEN
- Número de modelo: MMS-1-US-B
- Tipo de bloqueo: Cerrojo biométrico
- Material: Aluminio
- Color: Negro
- Tipo de acabado: Negro mate
- Fuente de energía: 4 pilas alcalinas AA (no incluidas)
- Características especiales: Fingerprint, Anti-Peeping Password, One-Touch Lock, Auto-Lock, Back-Lit Keypad, Emergency Type-C Charging
- Resistencia a la intemperie: IP54
- Dimensiones del artículo (largo x ancho x alto): 12.4 x 9.9 x 7.6 centímetros
10. Garantía y soporte
For warranty information or technical support, please contact PHYSEN customer service at formworld-us@outlook.com. Please provide your model number (MMS-1-US-B) and purchase details when contacting support.