1. Introdución
Thank you for choosing the Harfo Fingerprint Smart Door Lock. This manual provides detailed instructions for the installation, setup, operation, and maintenance of your new smart lock. This keyless entry system offers multiple access methods including fingerprint, passcode, IC card, and smartphone app control, enhancing the security and convenience of your home.
2. Información de seguridade
- Non intente desmontar nin reparar a fechadura vostede mesmo. Consulte persoal cualificado para o seu mantemento.
- Empregue só o tipo de batería especificado e asegúrese de manter a polaridade correcta durante a instalación.
- Evita expoñer o cadeado á luz solar directa, á choiva ou a temperaturas extremas.
- Keep all components, especially small parts, out of reach of children.
- Regularly check the lock for any signs of damage or malfunction.
3. Contido do paquete
Before beginning installation, please verify that all components are present and in good condition:
- High Quality Handleset
- Necessary Hardware for Installation (screws, bolts, etc.)
- Detailed Installation Instructions (this manual)
- 3 Tarxetas IC
- 2 chaves físicas
4. Guía de instalación
The Harfo Smart Door Lock is designed for easy installation and is suitable for most American standard left and right-handed doors. No wiring is needed.
4.1 Compatibilidade de portas
- Intervalo de espesor da porta: 1 3/8 inch to 2 3/16 inch (35mm-55mm) thick.
- Retroceso: 2-3/8 inch or 2-3/4 inch (60mm or 70mm).
- Borehole Diameter: 2-1/8 inch (54mm).

4.2 Pasos da instalación
Follow the detailed instructions provided in the included installation guide. A typical installation can be completed in minutes with basic tools.

5. Configuración e configuración
The Harfo Smart Door Lock offers advanced app control for comprehensive management.
5.1 Descarga e emparellamento da aplicación
Download the dedicated smartphone app (e.g., TTLock app, as implied by product images) from your device's app store. Follow the in-app instructions to pair your smart lock via Bluetooth.

5.2 Xestión de usuarios
The app allows you to add and remove users, manage access permissions, and view user logs.
- Pegadas dixitais: Store up to 50 unique fingerprints.
- Contrasinal: Create up to 250 unique passcodes.
- Tarxetas IC: Register up to 1000 IC cards (3 included).
- eKey Sharing: Share temporary or permanent eKeys with authorized users.


6. Instrucións de funcionamento
Your Harfo Smart Door Lock provides multiple convenient ways to access your property.
6.1 Métodos de desbloqueo
- Pegada dixital: Coloca o dedo rexistrado no sensor de impresión dixital.
- Contrasinal: Introduza o contrasinal rexistrado no teclado da pantalla táctil.
- Tarxeta IC: Tap a registered IC card on the designated area of the lock.
- Clave física: Use the provided physical keys as a traditional backup.
- Control da aplicación: Unlock directly from the smartphone app via Bluetooth.
- eKey: Use an eKey shared with you through the app.

6.2 Métodos de bloqueo
- Bloqueo automático: Set the auto-lock feature via the app for a duration between 5 and 900 seconds. The lock will automatically engage after the set time.
- Bloqueo dun só toque: Simply press and hold the "#" button on the keypad for 2 seconds to manually lock the door.

6.3 Funcións avanzadas
- Contrasinal anti-peeping: Introduce díxitos aleatorios antes ou despois do teu código de acceso real para evitar que outras persoas o adiviñen.
- Modo de privacidade: Engage privacy mode from the inside to prevent external access.
- Modo de paso: Keep the door unlocked for continuous access during specific periods.
- Modo silencioso: Disable keypad sounds for quiet operation.
- Porto de alimentación de emerxencia: A micro USB port is available for temporary power supply using a power bank in case of battery depletion.


7. Integración do fogar intelixente
Enhance your smart home experience by integrating your Harfo Smart Door Lock with voice assistants and remote access capabilities.
Nota: Remote access and voice control features require the Harfo gateway (sold separately).
- Control de voz: Lock/unlock your door using voice commands with Amazon Alexa or Google Assistant.
- Acceso remoto: Unlock your keyless entry door lock from anywhere, anytime.
- Notificacións en tempo real: Receive push notifications on your smartphone for lock status changes.
- Estado do monitor: Check the current status of your smart door lock remotely.


8. Mantemento
Proper maintenance ensures the longevity and optimal performance of your Harfo Smart Door Lock.
- Substitución da batería: The lock requires batteries (not included). Replace all batteries simultaneously when the low battery indicator appears or performance degrades. Use high-quality alkaline batteries.
- Limpeza: Limpa o exterior da fechadura cun pano suave e seco. Evita produtos de limpeza abrasivos ou solventes que poidan danar o acabado ou os compoñentes electrónicos.
- Lubricación: Periodically lubricate the mechanical parts of the deadbolt and handle with a silicone-based lubricant to ensure smooth operation.
9 Solución de problemas
If you encounter issues with your Harfo Smart Door Lock, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| Lock does not respond to input. | Baterías agotadas. | Replace batteries. Use the emergency micro USB port for temporary power if needed. |
| Pegada dixital non recoñecida. | Finger is wet/dirty, sensor is dirty, or fingerprint not properly registered. | Ensure finger and sensor are clean and dry. Re-register fingerprint if necessary. Try different angle. |
| O teclado non responde. | Keypad is in sleep mode or batteries are low. | Touch the keypad to wake it up. Replace batteries if issue persists. |
| O bloqueo automático non funciona. | Auto-lock feature is disabled or set to a long delay. | Check auto-lock settings in the app and adjust the delay time. Ensure the door is fully closed. |
| Non se pode conectar á aplicación. | Bluetooth is off, lock is out of range, or app issue. | Ensure Bluetooth is enabled on your phone. Move closer to the lock. Restart the app or phone. |
10. Especificacións
Detailed technical specifications for the Harfo Fingerprint Smart Door Lock (Model DA2K-BK):
| Característica | Especificación |
|---|---|
| Marca | HARFO |
| Nome do modelo | DA2 |
| Número de peza | DA2K-BK |
| Tipo de bloqueo | Biométrico, fechadura de combinación, pestillo, teclado numérico |
| Características especiais | Anti-Drill, Anti-Peeping Password, Auto-Lock, Fingerprint, Fob Unlock |
| Material | Zinc |
| Cor | Negro |
| Tipo de acabado | Pulido |
| Dimensións do artigo (L x W x H) | 8 x 3 x 13 polgadas |
| Peso do elemento | 3.43 libras (1.56 quilogramos) |
| Protocolo de conectividade | Bluetooth |
| Método de control | App, Remote (with gateway), Touch, Voice (with gateway) |
| Tipo de controlador | Amazon Alexa, Google Assistant (with gateway) |
| Requírense baterías? | Si |
| Pilas incluídas? | Non |
| Rango de espesor da porta | 1 3/8 inch to 2 3/16 inch (35mm-55mm) |
11. Garantía e soporte
HARFO is committed to providing high-quality products and customer satisfaction.
- Información da garantía: For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official HARFO websitio.
- Atención ao cliente: If you have any questions, require technical assistance, or need to report an issue, please contact HARFO customer support through the contact information provided on the official HARFO websitio web ou a través da túa plataforma de compra.





