Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Alarm Lock DL5200 Trilogy Dual-Sided Digital Keypad Lock. Please read this manual thoroughly before installation and use to ensure proper function and security.
The Alarm Lock DL5200 is a robust digital keypad lock designed for enhanced security, featuring dual-sided access control. It is suitable for various applications, including modern homes, offices, and outdoor storage units.

Image: Alarm Lock DL5200 Trilogy Dual-Sided Digital Keypad Lock, showing the keypad on one side and the lever handle on the other.
Setup and Installation
Proper installation is crucial for the optimal performance and security of your DL5200 lock. It is recommended that installation be performed by a qualified professional.
Tools Required:
- Screwdriver set
- Drill (if new door preparation is needed)
- Measuring tape
- Pencil
Installation Steps:
- Prepare the Door: Ensure the door is properly prepped according to the provided template (if applicable). Verify backset and bore hole dimensions.
- Install Latch/Bolt: Insert the latch or bolt mechanism into the door edge and secure it with screws.
- Install Exterior Assembly: Route any necessary wiring through the door and position the exterior keypad assembly.
- Install Interior Assembly: Connect the interior assembly to the exterior assembly, ensuring all wires are properly connected and not pinched. Secure with mounting screws.
- Test Operation: Before closing the door, test the mechanical and electronic functions of the lock.
- Initial Programming: Refer to the "Operating" section for instructions on setting the master code and initial user codes.
Note: The DL5200 is a digital lock. While the product specifications indicate "Batteries Required? No", it relies on an internal power source or hardwiring for electronic functions. Consult a professional for power source details if not clearly specified in packaging.
Operating Instructions
The DL5200 offers secure access control through its dual-sided digital keypads.
Master Code:
- The master code is used to program the lock and should be kept confidential.
- To set the master code: (Specific steps would be here, but are not provided in the JSON. General instruction will be given.)
- Typically, you press a program button, enter the default master code, then enter the new master code twice.
Adding User Codes:
- Enter the master code.
- Press the "Add User" or equivalent programming button.
- Enter the new user code (typically 5 digits, as per user review).
- Confirm the user code by entering it again.
Deleting User Codes:
- Enter the master code.
- Press the "Delete User" or equivalent programming button.
- Enter the user code to be deleted.
- Confirm deletion.
Unlocking the Door:
- Enter a valid user code or the master code on the keypad.
- The lock will emit an audible signal (if enabled) and the lever will become active.
- Turn the lever to open the door.
Locking the Door:
- The lock typically re-locks automatically after a short delay once the door is closed.
- Some models may require pressing a specific button (e.g., "Lock" button) to manually engage the lock.
Maintenance
Regular maintenance ensures the longevity and reliable operation of your Alarm Lock DL5200.
Cleaning:
- Wipe the keypad and lock body with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the finish and electronic components.
Mechanical Check:
- Periodically check all mounting screws for tightness.
- Ensure the latch/bolt operates smoothly without obstruction.
Power Source:
- As the product specifications indicate "Batteries Required? No", the DL5200 likely uses a hardwired connection or a non-user-replaceable internal power source.
- If the lock exhibits power-related issues, consult a qualified technician.
Troubleshooting
If you encounter issues with your DL5200 lock, refer to the following common troubleshooting steps.
Code Not Working:
- Incorrect Code: Ensure the correct user code or master code is being entered.
- Keypad Response: Check if the keypad buttons are responding correctly. Clean the keypad if necessary.
- Code Length: User codes are typically 5 digits for this model.
Lock Not Responding:
- Power Issue: If the lock is completely unresponsive, verify its power source. For hardwired units, check the circuit breaker.
- Mechanical Jam: Ensure there are no obstructions preventing the latch or bolt from moving freely.
Resetting the Lock:
A factory reset may resolve persistent issues. This will erase all user codes and revert settings to default. Consult the full product manual or manufacturer's support for specific reset procedures, as these vary by model.
Specifications
| Feature | Detail |
|---|---|
| Brand | Alarm Lock |
| Model Number | DL5200 |
| Lock Type | Keypad |
| Special Feature | Alarm |
| Material | Metal |
| Color | Silver |
| Control Method | Touch |
| Recommended Uses | Modern homes, offices, outdoor storage units |
| Dual-Sided | Yes |
Warranty and Support
Alarm Lock products are manufactured to high standards. For specific warranty details, please refer to the documentation included with your purchase or visit the official Alarm Lock website.
For technical support, service, or further inquiries, please contact Alarm Lock customer service. Contact information can typically be found on the manufacturer's website or product packaging.
Manufacturer: Alarm Lock





