Model: M3-MBBF2LH-NUT
This manual provides detailed instructions for the installation, setup, operation, and maintenance of your NUTOMO Smart Front Door Lock Set. This keyless entry system offers multiple access methods including fingerprint, passcode, APP control, IC cards, mechanical keys, and voice control via Alexa (with gateway). Please read this manual thoroughly before installation and use to ensure proper function and safety.
Verify that all items are present in the package:
The NUTOMO Smart Front Door Lock Set integrates advanced security features with convenient access options. It consists of an exterior keypad with fingerprint reader and a handle set, and an interior deadbolt unit.

Image: Overview of the NUTOMO Smart Front Door Lock Set, showing the exterior unit, handle, and a mobile phone displaying the associated app interface.

Image: Diagram illustrating the versatile features of the smart lock, including APP control, keyfob unlock, long battery life, auto-lock, WiFi remote access, 3D fingerprint recognition, ability to view actual door logs, and one-touch locking.
Installation of the NUTOMO Smart Front Door Lock Set is designed to be straightforward. A screwdriver is the only tool required for basic installation.

Image: Detailed diagram illustrating door dimensions and lock component sizes to ensure proper fit and easy installation.

Image: A person using a screwdriver to install the smart lock on a door, demonstrating the ease of installation.
Video: Official installation guide for the NUTOMO Smart Lock, demonstrating the step-by-step process for setting up the lock on your door.
After physical installation, configure your lock using the Next Lock APP.

Image: A person holding a smartphone, showing the Next Lock application interface used for managing the smart lock's settings and access.

Image: A close-up view of the smart lock's fingerprint sensor and keypad, illustrating the advanced fingerprint recognition technology for quick and secure access.
Video: A demonstration on how to use the Smart Front Door Lock Set with the Next Lock APP, covering various features and functionalities.
The NUTOMO Smart Lock offers multiple ways to secure and access your home.

Image: A person interacting with an Amazon Echo device to unlock the smart door lock using voice commands, demonstrating Alexa compatibility.

Image: A person receiving a text message containing a remotely generated passcode, highlighting the convenience for household members, guests, and Airbnb owners.

Image: Illustration of the auto-lock feature, showing the lock automatically securing the door after a configurable delay of 5 to 180 seconds for enhanced safety.

Image: A person checking real-time notifications on their smartphone, displaying a log of lock and unlock events by different users, ensuring constant monitoring.
Video: A brief overview of the NUTOMO Smart Lock Set for Front Door, highlighting its key features and benefits.
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding to fingerprint/passcode/IC card. | Low batteries; unregistered access method; incorrect input; sensor/keypad dirty. | Replace batteries; ensure fingerprint/passcode/IC card is registered in the app; re-enter correctly; clean sensor/keypad. |
| Keypad is locked for 3 minutes. | Incorrect passcode entered 5 times. | Wait for 3 minutes before attempting to enter a passcode again. |
| Cannot connect to the Next Lock APP. | Bluetooth off; app not updated; lock not in pairing mode; phone too far from lock. | Ensure Bluetooth is on; update app; restart lock/phone; move closer to the lock. |
| Auto-lock not functioning. | Auto-lock feature disabled or incorrectly configured in app. | Check auto-lock settings in the Next Lock APP and ensure it is enabled with a desired delay. |
| Lock makes unusual noises. | Mechanical obstruction; internal component issue. | Check for any obstructions around the latch or deadbolt. If problem persists, contact customer support. |
| Feature | Detail |
|---|---|
| Brand | NUTOMO |
| Model Name | M3-MBBF2LH-NUT |
| Lock Type | Biometric, APP Lock, Keyfobs & Key Lock, Keypad |
| Material | Aluminum |
| Color | Black |
| Dimensions (L x W x H) | 7 x 123 x 3 inches |
| Item Weight | 3.91 pounds |
| Power Source | 4 AA Batteries (not included) |
| Connectivity | Bluetooth, Wi-Fi (with optional gateway) |
| Control Method | App, Remote, Touch, Voice |
| Door Thickness Compatibility | 1-1/4" to 1-3/4" |
| Fingerprint Capacity | Up to 100 |
| Passcode Capacity | Up to 250 |
| IC Card Capacity | Up to 1000 |
NUTOMO provides comprehensive customer support for your Smart Front Door Lock Set:
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