1. Introduction
This manual provides detailed instructions for the installation, setup, operation, and maintenance of your Makayuron Tuya WiFi Smart Door Lock, Model S5. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.
2. Product Overview
2.1 Key Features
- Multiple Unlocking Methods: Fingerprint, Passcode, NFC Card, Remote Control (via Tuya App), and Mechanical Key.
- Tuya App Integration: Control your smart lock remotely, manage user access, view unlock records, and communicate with visitors at the door in real-time.
- Durable Construction: Made from aluminum alloy and tempered glass for environmental adaptability and longevity.
- Extended Battery Life: Features a large-capacity battery box and power-saving unit for longer standby time.
- Anti-Peep Passcode: Allows for garbled input before and after the correct passcode to prevent unauthorized viewing.
- Auto-Lock Functionality: Configurable auto-lock timer for enhanced security.
2.2 Components and Parts
Familiarize yourself with the various parts of your smart door lock:

Image: Labeled diagram of the Makayuron Smart Door Lock, highlighting key components such as the fingerprint reader, keypad, battery box, and emergency power supply.
- LED Display: Provides status indicators and menu navigation.
- Touch Keypad: For entering passcodes.
- Card Sensing Area: For NFC card unlocking.
- Doorbell Button: Integrated doorbell function.
- Fingerprint Reader: For biometric unlocking.
- Cylinder Hole: For mechanical key override.
- USB Port Power Supply: For emergency power in case of battery depletion.
- Battery Box: Houses 4 AA batteries (8 AA batteries included for initial use and replacement).
- Door Lock Handle: Reversible for left or right-handed doors.
- Safety Lock: Internal safety mechanism.
3. Installation
The Makayuron Smart Door Lock is designed for doors with a thickness between 45mm and 100mm. It is compatible with a 6068 mortise. The product package includes a 6068 mortise and a matching strike box for installation on the door frame.
3.1 Pre-Installation Checks
- Verify door thickness is within 45mm-100mm.
- Ensure the door frame is suitable for the included 6068 mortise and strike box.
- Confirm all components listed in the package contents are present.
3.2 Handle Reversibility
The door lock handles are reversible to accommodate both left and right-handed door configurations. Refer to the detailed diagram in the included paper manual for specific steps on how to adjust the handle direction if needed.
3.3 General Installation Steps
- Prepare the door: Drill necessary holes according to the provided template.
- Install the mortise: Insert the 6068 mortise into the door edge and secure it with screws.
- Install the front and rear panels: Connect the cables and align the panels, then secure them with through-bolts.
- Install the strike box: Mount the strike box on the door frame, ensuring proper alignment with the mortise latch.
- Insert batteries: Open the battery compartment and insert 4 AA batteries.
- Test the lock: Verify all functions (mechanical key, handle operation) before proceeding to smart setup.
4. Setup
4.1 Tuya App Setup
- Download the Tuya Smart App from your device's app store.
- Register or log in to your Tuya account.
- Add Device: Follow the in-app instructions to add your smart door lock. This typically involves putting the lock into pairing mode (refer to the lock's LED display for prompts) and connecting it to your home WiFi network.
- Once connected, you can manage the lock remotely.

Image: The Tuya Smart App interface on a smartphone, demonstrating remote unlock capabilities and lock management.
4.2 User Management (Fingerprint, Passcode, NFC Card)
All user management, including adding and deleting fingerprints, passcodes, and NFC cards, is performed through the Tuya Smart App or directly on the lock's keypad following the administrator's instructions.
- Adding Fingerprints: Access the fingerprint management section in the app or on the lock. Follow the prompts to register your fingerprint multiple times for accurate recognition.
- Adding Passcodes: Create permanent, timed, or one-time passcodes through the app. You can also set a master passcode directly on the lock.
- Adding NFC Cards: Register NFC cards by presenting them to the card sensing area when prompted by the app or lock.
5. Operating Instructions
5.1 Unlocking Methods
- Fingerprint Unlock: Place your registered finger on the fingerprint reader. The lock will unlock if the fingerprint is recognized.
- Passcode Unlock: Enter your registered passcode on the touch keypad, followed by the '#' key.
- Anti-Peep Passcode: To enhance security, you can enter any random digits before and after your actual passcode. For example, if your passcode is 123456, you can enter 987123456012#. The lock will recognize the correct sequence within the longer input.

Image: Illustration of the anti-peep passcode feature, allowing users to input extra digits before and after the actual code for privacy.
- NFC Card Unlock: Present your registered NFC card to the card sensing area on the lock.
- Tuya App Remote Unlock: Open the Tuya Smart App on your smartphone and select the unlock function for your door lock.
- Mechanical Key Unlock: In case of emergency or battery failure, insert the mechanical key into the cylinder hole and turn to unlock.

Image: Visual representation of the six unlocking methods available with the Makayuron Smart Door Lock.

Image: Example of using a one-time password for temporary access, such as for a pet sitter or delivery.
5.2 Auto-Lock and One-Touch Locking
The lock features an auto-lock function that can be configured for a delay of 10-99 seconds. It also supports one-touch locking, typically by pressing and holding a specific key (e.g., '#') for 2 seconds.

Image: Visual guide to the auto-lock and one-touch locking features, showing the keypad interface.
6. Maintenance
- Battery Replacement: When the low battery indicator appears, replace all 4 AA batteries promptly. Use high-quality alkaline batteries for optimal performance.
- Cleaning: Wipe the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that may damage the finish or electronic components.
- Fingerprint Sensor: Keep the fingerprint sensor clean and dry for accurate readings.
- Mechanical Key: Store the mechanical keys in a safe, accessible location outside the property for emergency use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond. | Dead batteries. | Replace batteries. Use the USB emergency power supply or mechanical key to open. |
| Fingerprint not recognized. | Finger is wet/dirty, sensor is dirty, or fingerprint not properly registered. | Clean finger and sensor. Try re-registering fingerprint. |
| Passcode not working. | Incorrect passcode entered, or passcode expired (for temporary codes). | Verify passcode. Check passcode validity in the Tuya App. |
| Cannot connect to Tuya App. | WiFi signal weak, incorrect WiFi password, or lock not in pairing mode. | Ensure strong WiFi signal. Re-enter WiFi password. Put lock into pairing mode as per app instructions. |
| Lock is loose after installation. | Screws or bolts not tightened sufficiently. | Re-tighten all mounting screws and bolts. |
8. Specifications
- Brand: Makayuron
- Model: S5
- Lock Type: Semi-automatic Smart Lock, Biometric
- Special Features: Fingerprint, RFID card unlock, Passcode unlock, Mechanical key
- Material: Aluminum
- Finish Type: Spray Paint
- Color: Black
- Item Dimensions (L x W x H): 7.1 x 5 x 35.9 cm
- Recommended Product Uses: Home, Hotel, Office, Apartment, Bedroom
- Number of Pieces: 1 (lock unit)
- Door Thickness Compatibility: 45mm - 100mm
- Mortise Type: 6068
- Power Supply: 4 x AA Batteries (8 AA batteries included)
9. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or contact Makayuron customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.