1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your HENYIN HYM10 Bluetooth Electronic Keyless Code Door Lock. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.

Figure 1.1: Front view of the HENYIN HYM10 Bluetooth Electronic Keyless Code Door Lock, showcasing the illuminated keypad and handle.
2. Product Features
The HENYIN HYM10 lock offers multiple access methods and advanced security features:
- Multiple Unlock Options: Access your door using a smartphone app (Bluetooth), M1 card, pass code, or a traditional mechanical key.
- User Capacity: Supports up to 150 unique pass codes, 200 M1 cards, and unlimited app users.
- Keypad Illumination: The keypad features illumination for easy visibility in low-light conditions.
- Pass Code Protection: Enhanced security feature allowing input of random digits before and after your actual code to prevent code detection. The total length must be less than 20 digits.
- Voice Navigation: Provides voice prompts during operation and programming for ease of use.
- Reversible Handle: The handle orientation can be easily reversed to accommodate both right-hand and left-hand door configurations.
- Standard Latch: Compatible with standard single latches, with a backset adjustable for 2-3/8" (60mm) and 2-3/4" (70mm).
- Low Battery Alarm: The lock will emit an alarm when the battery voltage drops below 4.8V, indicating the need for battery replacement.
- Emergency Access: In case of complete battery depletion, the lock can be opened using the mechanical keys.
- Alexa Compatibility: Works with Alexa for voice control (requires a compatible hub, sold separately).
- Remote Control Function: Remote access is available with a compatible hub (sold separately).
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | HYM10 |
| Unlock Methods | App, M1 Card, Pass Code, Mechanical Key |
| Code Users | Up to 150 |
| Card Users | Up to 200 |
| App Users | Unlimited |
| Backset | Adjustable 2-3/8" (60mm) or 2-3/4" (70mm) |
| Material | Metal |
| Finish | Oil Rubbed Bronze (M10b-orb) |
| Power Source | Batteries (not included) |
| Low Battery Alarm | Activates below 4.8V |
| Product Dimensions | Approximately 30.48 x 22.86 x 15.24 cm (12 x 9 x 6 inches) |
| Item Weight | Approximately 2.72 kg (6 lbs) |

Figure 3.1: Dimensional diagram of the HENYIN HYM10 lock, showing measurements in millimeters and inches, including backset options.
4. Installation and Setup
Proper installation is crucial for the optimal performance of your lock. Please follow these guidelines carefully.
4.1 Package Contents
Verify that all components are present before beginning installation:
- HENYIN HYM10 Electronic Lock Assembly (Exterior and Interior units)
- Standard Single Latch
- 2 x M1 Cards
- 3 x Mechanical Keys
- Mounting Hardware (screws, spindle, etc.)
- Installation Template (usually included in physical package)
4.2 Handle Orientation
The lock is typically configured for a right-hand door by default. If your door requires a left-hand orientation, the handle can be reversed. Refer to the detailed instructions provided in the physical package or contact customer support for a video guide on how to change the handle direction.

Figure 4.1: Exterior view of the HENYIN HYM10 lock installed on a door, showing the keypad and handle.

Figure 4.2: Interior view of the HENYIN HYM10 lock installed on a door, showing the handle and battery compartment area.
4.3 Latch Backset Adjustment
The standard single latch is reversible and can be adjusted for a 2-3/8" (60mm) or 2-3/4" (70mm) backset. Ensure the latch is correctly set for your door's backset before proceeding with the main lock assembly installation.
4.4 Battery Installation
The lock requires batteries (not included). Install new, high-quality alkaline batteries into the interior unit's battery compartment. Ensure correct polarity. The lock will provide voice navigation during initial setup and programming once powered.
5. Operating Instructions
Your HENYIN HYM10 lock offers several convenient ways to unlock your door.
5.1 Unlocking with Pass Code
- Wake the keypad by touching it.
- Enter your registered pass code.
- Press the '#' key to confirm.
- The lock will unlock. Turn the handle to open the door.
Pass Code Protection Function: To enhance security, you can input random digits before and after your actual pass code. For example, if your code is 123456, you can enter 987123456000 and then '#' to unlock. The total sequence length must not exceed 20 digits.
5.2 Unlocking with M1 Card
- Present a registered M1 card to the card reader area on the keypad.
- The lock will confirm the card and unlock.
- Turn the handle to open the door.
5.3 Unlocking with Smartphone App (Bluetooth)
Download the dedicated smartphone application (refer to the physical manual for app name and QR code). Follow the in-app instructions to pair your lock via Bluetooth. Once paired, you can unlock the door directly from your smartphone within Bluetooth range.

Figure 5.1: The HENYIN HYM10 lock, indicating its Bluetooth connectivity feature.
5.4 Unlocking with Mechanical Key
In emergency situations, such as a completely dead battery or electronic malfunction, the mechanical keys can be used.
- Locate the keyhole cover on the exterior unit.
- Use the small magnet embedded in one of the mechanical keys (or another small magnet) to remove the keyhole cover.
- Insert the mechanical key into the keyhole and turn to unlock the door.
5.5 Locking the Door
The lock will typically auto-lock after a few seconds once the door is closed. You can also manually lock the door from the exterior by pressing the '#' key or from the interior by turning the thumb turn or handle.
6. Maintenance
Regular maintenance ensures the longevity and reliable operation of your HENYIN HYM10 lock.
- Battery Replacement: Replace all batteries promptly when the low battery alarm sounds. Use high-quality alkaline batteries. Avoid mixing old and new batteries or different battery types.
- Cleaning: Clean the lock's exterior with a soft, dry cloth. Avoid abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish and electronic components.
- Mechanical Components: Periodically check that all screws are tight and that the handle and latch operate smoothly. Do not lubricate the lock cylinder unless specifically recommended by the manufacturer.
- Firmware Updates: Check the smartphone app periodically for any available firmware updates for your lock to ensure optimal performance and security.
7. Troubleshooting
If you encounter issues with your HENYIN HYM10 lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond or keypad is dark. | Dead batteries. | Replace all batteries with new, high-quality alkaline batteries. Use mechanical key for emergency access. |
| Pass code not working. | Incorrect code entered; code not registered; keypad not active. | Ensure correct code is entered. Verify the code is registered in the system. Touch the keypad to activate it before entering the code. |
| M1 card not working. | Card not registered; card damaged. | Ensure the M1 card is properly registered. Try another registered card if available. |
| Handle is stiff or difficult to turn. | Misalignment during installation; mechanical obstruction. | Check for proper alignment of the lock components. Ensure no cables are pinched. Re-install if necessary, following instructions carefully. |
| Lock drains batteries quickly. | Poor quality batteries; high usage; mechanical binding. | Use only high-quality alkaline batteries. Ensure the lock is installed correctly and operates smoothly without resistance, as mechanical binding can increase power consumption. |
| App connection issues. | Bluetooth off; app not paired; interference. | Ensure Bluetooth is enabled on your smartphone. Re-pair the lock with the app if necessary. Ensure you are within Bluetooth range. |
8. Warranty and Support
For specific warranty information, please refer to the documentation included with your purchase or contact the seller directly. If you require further assistance, including video guides for installation or troubleshooting, please reach out to HENYIN customer support. Contact details are typically found on the product packaging or the seller's official website.
Note: Video guides are available from the seller to assist with specific procedures like changing handle direction.