1. Introduction
This manual provides comprehensive instructions for the installation, setup, operation, maintenance, and troubleshooting of your HEIXSMT HT718 WiFi Smart Door Lock. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.
2. Product Overview
The HEIXSMT HT718 is a versatile smart door lock offering multiple access methods and smart control features for enhanced security and convenience.
Key Features:
- Multiple Unlocking Methods: Fingerprint, Passcode, Mobile App (WiFi connection), IC Cards, and Physical Keys.
- Built-in Wi-Fi: Direct connection to your home network for remote control without an additional gateway.
- Fast Fingerprint Recognition: 0.5-second unlock speed with a 99% recognition rate.
- Tuya App Integration: Remote unlocking, electronic password sharing, access log viewing, alarm prompts, and user management.
- Auto-Lock Function: Configurable automatic locking after a set duration.
- Anti-Peeping Passcode: Enter random digits before or after your actual passcode to prevent unauthorized observation.
- Emergency Power Supply: Type-C port for temporary power in case of battery depletion.
Included Components:
- Smart Door Lock Assembly (Front and Rear Handles)
- Deadbolt Latch
- Installation Kit (Screws, Spindle, etc.)
- IC Cards (2 PCS)
- Physical Keys (2 PCS)
- User Manual
Image 1: HEIXSMT HT718 Smart Door Lock and its accessories.
Image 2: Multiple unlocking methods available for the smart door lock.
3. Installation
The HEIXSMT HT718 Smart Door Lock is designed for easy installation, typically within 15 minutes, without requiring additional drilling for most standard doors. It is compatible with both left-handed and right-handed doors.
Pre-Installation Check:
- Ensure your door thickness is between 35mm and 55mm (1-3/8" to 2").
- Verify the backset measurement (distance from door edge to center of bore hole) is either 60mm (2-3/8") or 70mm (2-3/4").
- Confirm the bore hole diameter is 54mm (2-1/8") or 22mm (55/64").
Image 3: Door compatibility and measurement guide.
General Installation Steps:
- Install the deadbolt latch into the door edge.
- Attach the exterior handle assembly, ensuring the spindle passes through the latch.
- Install the interior mounting plate.
- Connect the cable from the exterior assembly to the interior assembly.
- Secure the interior handle assembly.
- Insert batteries and test the lock's functionality.
Image 4: Installation diagram with key measurements.
4. Setup
After physical installation, configure your smart lock for optimal use.
Initial Configuration and App Pairing:
- Download the Tuya App: Search for "Tuya Smart" in your mobile app store (iOS or Android) and install it.
- Create an Account: Register or log in to your Tuya Smart account.
- Add Device: In the app, select "Add Device" and follow the on-screen instructions to pair your HEIXSMT HT718 lock. Ensure your phone is connected to a 2.4GHz Wi-Fi network during pairing.
- Administrator Setup: The first user added to the lock via the app will be designated as the administrator.
Adding Users and Access Methods:
- Fingerprints: From the app or directly on the lock's keypad, follow prompts to register fingerprints. The lock supports over 50 fingerprints.
- Passcodes: Create permanent, temporary, or one-time passcodes via the Tuya app. The lock supports over 100 passcodes.
- IC Cards: Register the included IC cards through the app or lock interface. The lock supports over 100 IC cards.
Image 5: Tuya Smart App user management interface.
5. Operating Instructions
Understand the various ways to operate your HEIXSMT HT718 Smart Door Lock.
Unlocking Methods:
- Fingerprint Unlock: Place your registered finger on the fingerprint sensor. The lock will unlock in approximately 0.5 seconds.
- Passcode Unlock: Enter your registered passcode on the keypad. For enhanced security, utilize the anti-peeping feature by entering random digits before and after your actual passcode.
- Mobile App Unlock: Open the Tuya Smart app, select your lock, and tap the unlock button. You can also remotely grant access or generate temporary passcodes for guests.
- IC Card Unlock: Present a registered IC card to the card reader area on the lock.
- Physical Key Unlock: In emergencies or when batteries are depleted, use the provided physical keys to manually unlock the door.
Image 6: Fingerprint quick unlock feature.
Image 7: Managing users and passcodes.
Image 8: Remote unlocking via mobile app.
Additional Features:
- Auto-Lock: Configure the lock to automatically engage after a specified period (5-30 seconds) once the door is closed. This setting can be adjusted in the Tuya app.
- Anti-Lock Function: A one-key anti-lock function on the backside handle provides additional privacy and security, allowing only administrators to unlock from the outside.
- Silent Mode: The lock can be set to silent mode to mute button beeps. This mode is disabled by default after a reset.
Image 9: Auto-lock settings.
Image 10: Anti-peeping passcode in use.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your smart door lock.
Battery Management:
- The lock operates on standard batteries (type not specified, typically AA). Replace batteries when a low battery alert is indicated.
- Emergency Power: If batteries deplete completely, connect a power bank via the Type-C port on the exterior handle for temporary power to unlock the door. Alternatively, use the physical key.
Image 11: Emergency power supply options.
Cleaning:
- Wipe the lock's surface with a soft, dry cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components.
- Keep the fingerprint sensor and keypad clean and free of debris for accurate recognition.
7. Troubleshooting
Refer to this section for solutions to common issues.
Common Issues and Solutions:
- Lock Not Responding: Check battery levels. If low, replace batteries or use emergency Type-C power.
- Fingerprint Not Recognized: Ensure your finger is clean and dry. Try re-registering your fingerprint. Ensure the sensor is clean.
- Passcode Not Working: Verify the correct passcode is entered. Ensure the lock is awake before entering the code.
- App Connectivity Issues: Ensure your phone and the lock are within Wi-Fi range. Check your Wi-Fi network stability. Re-pair the device if necessary.
- Low Battery Alert: The lock will provide a notification when batteries are low. Replace them promptly to avoid being locked out.
Image 12: Low battery alert and emergency power options.
Factory Reset:
If persistent issues occur, a factory reset may be necessary. Refer to the specific instructions provided with your lock for the reset button location and procedure. A factory reset will erase all registered users and settings, requiring re-configuration.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | HEIXSMT |
| Model Name | HT718 |
| Lock Type | Biometric, Deadbolt |
| Special Features | Built-in WiFi, Fingerprint, Fob Unlock, Touchscreen |
| Material | Acrylonitrile Butadiene Styrene |
| Item Dimensions (L x W x H) | 9.4 x 8.7 x 3.5 inches |
| Item Weight | 3.57 Pounds |
| Control Method | App, Push Button, Remote, Touch |
| Door Thickness Compatibility | 35mm to 55mm (1-3/8" to 2") |
| Backset Compatibility | 60mm (2-3/8") or 70mm (2-3/4") |
9. Warranty and Support
HEIXSMT offers a 12-month protection period for your smart door lock, backed by professional customer service.
Customer Support:
For any questions, technical assistance, or warranty claims, please contact HEIXSMT customer service. Support is available 24/7 via email and live chat for a worry-free experience. Refer to the product packaging or the official HEIXSMT website for specific contact details.