1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your YOSEC E-119T Digital Keypad Replacement Lock. This electronic lock is designed to enhance the security of gun safes and rifle cabinets with its touch screen interface and robust metal construction. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. Product Overview
The YOSEC E-119T Digital Keypad Replacement Lock system includes several key components:
- Digital Keypad: The primary interface for entering codes and interacting with the lock.
- Motherboard/Control Unit: Processes commands from the keypad and controls the solenoid.
- Solenoid: The electromechanical component that locks and unlocks the safe mechanism.
- Alarm: Provides audible alerts for various operations and security events.
- Programming Cable: Connects the keypad to the motherboard.

Figure 2.1: YOSEC E-119T Digital Keypad

Figure 2.2: YOSEC E-119T Digital Keypad Lock Components (Keypad, Motherboard, Solenoid, Alarm)

Figure 2.3: Disassembled YOSEC E-119T Digital Keypad showing internal battery compartment
3. Setup
3.1. Component Assembly
Before installing the lock onto your safe, it is recommended to assemble the electronic components and test their functionality. This involves connecting the digital keypad, motherboard, solenoid, and alarm.
Video 3.1: This video demonstrates the assembly process of the YOSEC E-119T digital keypad lock components, including connecting the keypad, motherboard, solenoid, and alarm. It also shows how to install the 9V battery and perform initial tests.
3.2. Battery Installation
The keypad requires a 9V battery for operation. To install the battery:
- Remove the back cover of the digital keypad.
- Connect a new 9V battery to the battery connector inside the keypad.
- Place the battery securely within the compartment.
- Replace the back cover, ensuring it is properly seated.
4. Operating Instructions
The following instructions detail the basic operation of your YOSEC E-119T Digital Keypad Lock.
4.1. Unlocking with User Code
To unlock the safe using the user code:
- Enter your 3-8 digit user code on the keypad.
- Press the "#" key to confirm.
- The lock will disengage, allowing you to open the safe.
Video 4.1: This video demonstrates how to unlock the YOSEC E-119T digital keypad lock using a user code (shown at 0:45 in the video).
4.2. Changing User Code
To change the user code:
- Press the red reset button on the motherboard. The buzzer will beep twice, and the yellow light on the keypad will illuminate.
- Enter your new 3-8 digit user code.
- Press the "#" key to confirm. The buzzer will beep once to indicate successful code change.
Video 4.2: This video demonstrates the steps to change the user code on the YOSEC E-119T digital keypad lock (shown at 0:55 in the video).
4.3. Changing Master Code
To change the master code:
- Input "00" on the keypad.
- Press the red reset button on the motherboard. The buzzer will beep twice, and the yellow light on the keypad will illuminate.
- Enter your new 3-8 digit master code.
- Press the "#" key to confirm. The buzzer will beep once to indicate successful code change.
Video 4.3: This video demonstrates the steps to change the master code on the YOSEC E-119T digital keypad lock (shown at 1:10 in the video).
4.4. Buzzer Control
You can enable or disable the buzzer sound:
- To Close the Buzzer: Press "*633" on the keypad. The buzzer will emit two "DI DI" sounds, indicating it is closed.
- To Open the Buzzer: Press "*66" on the keypad. The buzzer will emit two "DI DI" sounds, indicating it is open.
Video 4.4: This video demonstrates how to close and open the buzzer sound on the YOSEC E-119T digital keypad lock (shown at 1:30 in the video).
5. Maintenance
Regular maintenance ensures the longevity and reliable operation of your digital keypad lock.
- Battery Replacement: Replace the 9V battery annually or when the low battery indicator appears. Always use a fresh, high-quality alkaline battery.
- Cleaning: Wipe the keypad surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the touch screen or finish.
- Cable Inspection: Periodically check all connecting cables for any signs of wear, damage, or loose connections.
6. Troubleshooting
If you encounter issues with your YOSEC E-119T Digital Keypad Lock, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keypad not responding | Dead or low battery; Loose cable connection. | Replace the 9V battery; Check all cable connections between the keypad and motherboard. |
| Lock does not open after entering correct code | Solenoid malfunction; Incorrect code entered; Mechanical obstruction. | Ensure the code is entered correctly and confirmed with '#'; Check for any physical obstructions preventing the safe door from opening; Contact customer support if solenoid is suspected to be faulty. |
| Buzzer not sounding | Buzzer is closed (disabled); Faulty buzzer. | Open the buzzer using the "*66" command (refer to Section 4.4); Check buzzer connection; Replace buzzer if faulty. |
| Cannot change user/master code | Incorrect procedure; Faulty reset button. | Follow the code change procedures precisely as outlined in Sections 4.2 and 4.3; Ensure the reset button is functioning correctly. |
7. Specifications
- Brand: YOSEC
- Model Number: E-119T
- Lock Type: Keypad
- Control Method: Touch
- Material: Metal
- Color: Black
- Item Dimensions (L x W x H): 4.1 x 4.1 x 1.4 inches
- Item Weight: 10.8 ounces
- Recommended Uses: Securing firearms in cabinets or safes
- Included Components: Keypad
- Batteries Required: Yes (9V, not included)
- UPC: 701705895303
- Manufacturer: YOSEC SAFE
8. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official YOSEC website. Keep your purchase receipt as proof of purchase for warranty claims.





