Introduction
The YOSEC E-115F Biometric Digital Code Fingerprint Safe Lock is designed to provide enhanced security for various safe boxes and cabinet doors. This lock offers multiple access methods including digital codes and fingerprint recognition, ensuring convenient yet robust protection for your valuables. Constructed from durable zinc alloy, it features a fire-resistant panel and a lockout mode for incorrect entries. This manual will guide you through the installation, setup, operation, and maintenance of your new safe lock.

Image: Front view of the YOSEC E-115F Biometric Digital Code Fingerprint Safe Lock keypad.
Product Overview
Key Features
- Durable Material: High-security zinc alloy keypad frame and fire-resistant panel.
- Enhanced Security: Provides physical protection against forced entry and includes a lockout mode after 3 false code attempts.
- Compact Design: Round keypad panel with a diameter of 100mm (3.94 inches), suitable for most safe boxes and vault doors.
- Digital Code Access: Unlocked with 3-8 digit codes, programmable with three different colored lights indicating various states.
- Fingerprint Recognition: Supports registration of up to 20 unique fingerprints for quick access.
- Versatile Application: Ideal for fireproof gun safes, pistol safes, handgun safes, depository safes, fire and burglary safes, hotel safes, fire-resistant safes, and fireproof filing cabinets.
Components
The YOSEC E-115F lock system includes the following main components:
- Keypad with integrated fingerprint scanner
- PCB (Printed Circuit Board) / Control Module
- Solenoid Lock Mechanism
- Reset Button
- Battery Holder (requires 4 AAA batteries, not included)

Image: Key components of the YOSEC E-115F lock system.

Image: Internal view of the keypad with the battery compartment.
Setup and Installation
Dimensions
Refer to the technical drawing for precise dimensions to ensure compatibility with your safe or cabinet.

Image: Technical drawing with dimensions of the keypad (measured in millimeters).

Image: Technical drawing with dimensions of the mounting plate (measured in millimeters).
Battery Installation
- Remove the back cover of the keypad unit.
- Insert 4 AAA batteries into the battery compartment, ensuring correct polarity.
- Replace the back cover.
Assembly Steps
The following video demonstrates the assembly process for the YOSEC E-115F lock components. This includes connecting the keypad, motherboard, solenoid, and reset button.
Video: Assembly steps for the YOSEC E-115F lock components.
Operating Instructions
Unlock with Factory Default Code
The factory default code is typically a simple sequence. To unlock:
- Input the factory default code (e.g., "1234").
- Press the "#" key.
- The lock should open.
Refer to the video above for a demonstration of unlocking with a code (starts at 0:36).
Change Digital Code
It is highly recommended to change the default code immediately after installation.
- Press the red reset button (usually located on the internal control module). The yellow light on the keypad will illuminate.
- Input your new 3-8 digit code.
- Press the "#" key to confirm.
- Test the new code to ensure it works correctly.
Refer to the video above for a demonstration of changing the code (starts at 0:43).
Register Fingerprint
You can register up to 20 fingerprints.
- Press the red reset button. The yellow light on the keypad will illuminate.
- Place your finger on the fingerprint scanner. The yellow light will flash.
- Repeat placing your finger on the scanner 3 times.
- A green light indicates successful registration.
Refer to the video above for a demonstration of registering a fingerprint (starts at 1:00).
Delete Fingerprint
To delete all registered fingerprints:
- Press and hold the red reset button for five seconds.
- All three indicator lights on the keypad will flash simultaneously.
- At this time, all registered fingerprints are deleted, and any fingerprint can open the lock. You will need to re-register new fingerprints for security.
Refer to the video above for a demonstration of deleting fingerprints (starts at 1:42).
Change Open Mode (Dual Control)
The lock can be set to a dual control mode, requiring both a code and a fingerprint to open.
- Input "*22" on the keypad.
- Press the red reset button.
- The yellow light will illuminate, indicating the lock is now in dual control mode.
- To unlock in dual control mode: Input your code, press "#", then place your registered fingerprint on the scanner.
Refer to the video above for a demonstration of changing to dual control mode (starts at 1:15).
Buzzer Settings (Open/Close)
You can enable or disable the buzzer sound for keypad inputs.
- To Close Buzzer: Press "*633" on the keypad. The buzzer will be closed, and there will be no sound after inputting codes.
- To Open Buzzer: Press "*66" on the keypad. The buzzer will be opened, and you will hear a beep when inputting codes.
Refer to the video above for a demonstration of buzzer settings (starts at 1:32).
Maintenance
- Battery Replacement: Replace all 4 AAA batteries when the low battery indicator appears or if the lock becomes unresponsive. Always use new, high-quality alkaline batteries.
- Cleaning: Wipe the keypad and fingerprint scanner with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the surface or electronic components.
- Regular Testing: Periodically test both the digital code and fingerprint access to ensure proper functionality.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond to input. | Dead or low batteries. | Replace all 4 AAA batteries with new ones. |
| Digital code not working. | Incorrect code entered; code was changed and forgotten. | Ensure the correct code is entered. If forgotten, use the reset button to clear all codes and fingerprints, then reprogram. |
| Fingerprint not recognized. | Finger not placed correctly; scanner is dirty; fingerprint not registered; dry/wet finger. | Ensure finger is clean and dry, covering the entire scanner. Try different angles. Clean the scanner surface. Re-register the fingerprint if necessary. |
| Lockout mode activated. | Too many incorrect code/fingerprint attempts. | Wait for the lockout period to expire (refer to product specifications for duration). Avoid repeated incorrect entries. |
| Buzzer is silent. | Buzzer has been turned off. | Press "*66" on the keypad to re-enable the buzzer. |
Specifications
- Brand: YOSEC
- Model Name: E-115F
- Lock Type: Biometric, Digital Code
- Material: Zinc Alloy
- Color: Chrome
- Item Dimensions (L x W x H): 3.94 x 3.94 x 1.46 inches (100 x 100 x 37 mm)
- Item Weight: 0.44 Pounds (approx. 7 ounces)
- Power Source: 4 AAA batteries (not included)
- Code Length: 3-8 digits
- Fingerprint Capacity: Up to 20 fingerprints
- Special Features: Fingerprint, Resettable Code, Lockout Mode
- Included Components: Keypad, PCB, Solenoid, Reset Button
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact YOSEC customer service directly. Keep your purchase receipt as proof of purchase.





