Introdución
This manual provides detailed instructions for the installation, operation, and maintenance of your Harfo Fingerprint Door Lock. Please read this manual thoroughly before installation and use to ensure proper function and safety.
The Harfo Fingerprint Door Lock offers multiple unlocking methods including fingerprint, passcode, IC cards, backup keys, and full APP control. It is designed for residential and office use, providing enhanced security and convenience.
Contido do paquete
Comprobe que estean presentes todos os compoñentes antes de comezar a instalación:
- Smart Door Lock (Front and Rear Panels)
- 2 Teclas de copia de seguridade
- 3 Tarxetas IC
- Accessory Bag (screws, spindle, etc.)
- Manual de usuario (este documento)

Image: The Harfo Fingerprint Door Lock, showing the main unit, the TTLock app interface on a smartphone, and three IC cards. This image illustrates the primary components and control methods.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | HARFO |
| Nome do modelo | Fingerprint Door Lock (Satin Nickel) |
| Tipo de bloqueo | Keypad, Fingerprint, IC Card, Key, App |
| Material | Zinc |
| Tipo de acabado | Cepillado |
| Conectividade | Bluetooth, Wi-Fi (via optional Gateway) |
| Tipo de controlador | Amazon Alexa (via optional Gateway) |
| Fonte de enerxía | Batteries (4x AA, not included) |
| Compatibilidade do grosor da porta | 1 3/8 inch to 2 3/16 inch (35mm-55mm) |
| Peso do elemento | 4.93 libras |
| asa reversible | Yes, suitable for left and right-handed doors |

Imaxe: Un lado view diagram of the Harfo Fingerprint Door Lock, illustrating its dimensions and the compatible door thickness range (35mm-55mm or 1-3/8" to 2-3/16").
Guía de instalación
Before installation, ensure your door meets the specified thickness requirements (1 3/8" to 2 3/16" or 35mm-55mm). The lock is designed to replace most standard US wooden door levers or knobs.
Ferramentas necesarias:
- Destornillador Phillips
- Cinta métrica
- Lapis
Pasos:
- Prepara a porta: If replacing an existing lock, remove it. Ensure the door bore hole and backset are standard.
- Instalar o pestillo: Insert the latch into the door edge and secure it with screws. Ensure the latch bolt faces the correct direction for your door swing.
- Instalar o conxunto exterior: Feed the cable and spindle through the latch. Align the exterior panel with the door and latch.
- Instalar a placa de montaxe interior: Secure the interior mounting plate to the exterior assembly using screws.
- Conectar os cables e instalar o conxunto interior: Connect the cable from the exterior assembly to the interior assembly. Carefully tuck excess cable into the door. Attach the interior assembly to the mounting plate, ensuring the spindle engages properly. Secure with screws.
- Instalar baterías: Open the battery cover on the interior assembly and insert 4 AA alkaline batteries (not included). Close the cover.
- Proba o bloqueo: After installation, test the handle operation and ensure the latch retracts smoothly.

Image: An illustrative diagram highlighting the ease of installation for the Harfo Fingerprint Door Lock, showing key components and their placement during setup.

Image: The Harfo lock installed on a door, demonstrating its compatibility as a replacement for traditional door levers and knobs.
Instrucións de funcionamento
The Harfo Fingerprint Door Lock offers multiple ways to unlock and manage access.
Métodos de desbloqueo:
- Pegada dixital: Coloca o dedo rexistrado no sensor de impresión dixital. O bloqueo desbloquearase se se recoñece a impresión dixital.
- Contrasinal: Introduza o contrasinal rexistrado no teclado numérico e, a continuación, prema a tecla "#".
- Tarxeta IC: Tap a registered IC card against the card reader area on the lock.
- Teclas de copia de seguranza: In case of emergency or battery depletion, use the physical backup keys provided to unlock the door. The keyhole is discreetly located.
- Control da APP: Use the TTLock app on your smartphone to unlock the door via Bluetooth. For remote Wi-Fi unlocking, a Harfo Wi-Fi Gateway (sold separately) is required.

Imaxe: Unha vez máisview illustrating the various methods to lock and unlock the Harfo Fingerprint Door Lock, including APP, keys, fobs (IC cards), fingerprint, password, and auto-lock.

Imaxe: Primeiro plano view of the Harfo lock's fingerprint sensor, emphasizing its rapid 0.3-second unlock capability.
TTLock App Control:
The TTLock app is essential for managing your Harfo Fingerprint Door Lock. Download it from your smartphone's app store.
- Emparejamento: Follow the in-app instructions to pair your lock via Bluetooth. Ensure Bluetooth is enabled on your phone and you are within range of the lock.
- Xestión de usuarios: Add, modify, or delete fingerprints, passcodes, and IC cards for various users. You can assign temporary or permanent access.
- Generate Passcodes: Create one-time, timed, recurring, or permanent passcodes remotely (with Gateway) or via Bluetooth.
- Rexistros de acceso: View a history of who unlocked the door and when. This feature provides a security log.
- Configuración: Adjust lock settings such as auto-lock timer, volume, and passage mode.

Image: A smartphone screen showing the TTLock app interface, which allows for full control of the Harfo Fingerprint Door Lock, including sending eKeys, generating passcodes, managing IC cards, fingerprints, and viewing access records.

Image: A smartphone displaying the unlock records from the Harfo Door Lock, showing the time and method of entry for different users.
Control por voz (Alexa e Asistente de Google):
To enable voice control with Amazon Alexa or Google Assistant, you must pair your Harfo Fingerprint Door Lock with a Harfo Wi-Fi Gateway (sold separately).
- Configuración da pasarela: Follow the instructions provided with your Harfo Wi-Fi Gateway to set it up and connect it to your home Wi-Fi network.
- Link with Voice Assistant: In the TTLock app, link your account with Amazon Alexa or Google Assistant. Enable the "TTLock" skill/action in your voice assistant app.
- Comandos de voz: Once linked, you can use voice commands such as "Alexa, unlock my front door" (you may need to provide a voice code for security).

Image: A family interacting with an Amazon Echo device, demonstrating the voice control feature for the Harfo Door Lock. A note indicates that a Gateway (sold separately) is required for this functionality.

Image: The Harfo lock shown alongside a Harfo Gateway and an Amazon Echo device, illustrating how these components work together to enable smart home integration and voice control.
Mantemento
Substitución da batería:
The Harfo Fingerprint Door Lock requires 4 AA alkaline batteries (not included). When the battery level is low, the lock will provide an audible warning. It is recommended to replace all four batteries simultaneously with new, high-quality alkaline batteries.
- Open the battery cover on the interior side of the lock.
- Retire as pilas antigas.
- Insert new AA batteries, ensuring correct polarity (+/-).
- Pecha a tapa da batería de forma segura.
If the batteries are completely depleted, you can use the backup physical keys or connect a power bank to the emergency USB port on the exterior panel for temporary power to unlock the door.

Image: A visual representation of a battery icon, indicating the low battery status of the Harfo lock, prompting for battery replacement.

Image: A close-up of the Harfo lock's exterior panel, highlighting the USB port for emergency battery backup, allowing temporary power from a power bank.
Limpeza:
Limpa a superficie da fechadura cun pano suave eamp pano. Evite o uso de produtos de limpeza abrasivos, solventes ou produtos químicos agresivos, xa que poden danar o acabado e os compoñentes electrónicos.
Resolución de problemas
| Problema | Posible causa/solución |
|---|---|
| O bloqueo non responde. |
|
| Pegada dixital non recoñecida. |
|
| O contrasinal non funciona. |
|
| A aplicación non se pode conectar ao peche. |
|
| O peche non se bloquea automaticamente. |
|
Garantía e Soporte
Información da garantía:
The Harfo Fingerprint Door Lock comes with a Garantía do produto de 12 meses desde a data de compra. Esta garantía cobre defectos de fabricación e avarías en condicións de uso normal. Conserve o comprobante de compra para reclamacións de garantía.
Esta garantía non cubre os danos causados por:
- Instalación ou mantemento inadecuados.
- Modificación ou reparación non autorizada.
- Abuse, misuse, or neglect.
- Accidents or natural disasters.
Atención ao cliente:
For technical assistance, troubleshooting, or warranty inquiries, please contact HARFO customer support. You can typically find contact information on the HARFO official websitio web ou a través da túa plataforma de compra.
HARFO is committed to providing lifetime customer support for its products.





