Alarm Lock Trilogy Programming Instructions

Program master, manager, and user codes on Alarm Lock Trilogy commercial electronic access locks.

DL2700
TL2700
DL2800
DL3000
DL1200
DL1300
DL5200

⚠️ Important — Read Before Changing Any Codes

Always keep the door open while programming or changing codes. Test the new code at least 3 times with the door open before closing it. Lockout service due to a bad code change is avoidable and expensive.
If your lock is acting up randomly — beeping for no reason, not responding consistently, or rejecting known-good codes — have it serviced or replaced now. A lock that fails completely will cost far more to deal with in an emergency than a planned repair or replacement. Don't wait until you're locked out.

About Alarm Lock Trilogy

The Alarm Lock Trilogy series by Napco Security Technologies is a commercial-grade electronic keypad lock system used on offices, warehouses, schools, and institutions. Trilogy locks provide three access levels — Master, Manager, and Basic User — with up to 100 user codes organized in a 10-bank grid system.

Compatible Models	DL2700, TL2700, DL2800, DL3000, DL1200, DL1300, DL5200, DL5300
Factory Master Code	1-2-3-4-5
Code Length	3 to 5 digits (set by Master Code length)
Max Codes	1 Master + 10 Managers + 90 Users + 3 Service Codes
Power	5 AA alkaline batteries (Duracell recommended)

Understanding the Code Grid

Trilogy locks organize codes in a grid of 10 Banks (columns 0-9) and 10 rows (0-9). Each grid position is a 2-digit location from 00 to 99. Manager Codes are located at positions ending in 0 (00, 10, 20, 30...90). Basic User Codes fill the remaining positions (01-09, 11-19, etc.).

Change the Master Code

First-Time Setup: Change Factory Master Code

Press the factory Master Code: 1-2-3-4-5. A beep sounds and the lock opens.
Within 5 seconds, press ★ (star key, labeled "A" on some models).
Within 5 seconds, enter a new Master Code (3-5 digits).
Re-enter the new Master Code to validate.
A 6-beep acknowledgment with red LED confirms success.
Wait 5 seconds for the lock to re-lock.
Test the new Master Code by entering it — the lock should beep and unlock.

1-2-3-4-5 → ★ → [new MC] → [repeat MC] → 6 beeps

⚠️ IMPORTANT: The length of your Master Code determines the length for ALL subsequent Manager and User Codes. Choose carefully.

Add a Manager Code

Steps to Add a Manager Code

Enter your Master Code. Lock opens.
Within 5 seconds, press ★.
Enter the 2-digit Manager location (00, 10, 20, 30, 40, 50, 60, 70, 80, or 90).
Enter a new Manager Code (same digit count as Master Code).
Re-enter the code to confirm.
A 3-beep acknowledgment confirms success.

[MC] → ★ → [location] → [new code] → [repeat code] → 3 beeps

Add a Basic User Code

Steps to Add a User Code

Enter your Master Code (or a Manager Code for users in that Manager's bank).
Within 5 seconds, press ★.
Enter the 2-digit User location (01-09, 11-19, 21-29, etc.).
Enter a new User Code (same digit count as Master Code).
Re-enter to confirm.
A 3-beep acknowledgment confirms success.

[MC or Manager] → ★ → [location] → [new code] → [repeat code]

Delete a Code

Steps to Delete a Manager or User Code

Enter your Master Code.
Press ★.
Enter the 2-digit location of the code to delete.
Press ★ twice (★ ★).

[MC] → ★ → [location] → ★ ★

Add a Service Code (One-Time Entry)

Service Codes are single-use — deleted after one entry

Enter your Master Code.
Press ★.
Press ★ 1 (for Service Code 1), ★ 2 (for #2), or ★ 3 (for #3).
Enter a Service Code (same digit length).
Re-enter to confirm.

⚠️ Service Codes are lost if batteries are removed. They must be reprogrammed after each use.

Factory Reset (Erase All Programming)

⚠️ Full Factory Reset

Remove the battery pack.
Press and hold any keypad button.
While holding the button, reinstall the battery pack.
Continue holding until you hear a series of beeps (about 10 seconds).
Release the button. The Master Code reverts to 1-2-3-4-5.

⚠️ All Manager codes, User codes, and settings are permanently erased.

Troubleshooting

Lock plays musical scale with 2 digits + star: This is the Lock Identifier feature — confirms you have a T2 (enhanced) model.
5-beep error tone: The code is valid but has been disabled. Re-enable using the Master Code.
Low battery warning: Replace all 5 AA batteries with fresh Duracell alkalines immediately.
Forgot Master Code: A factory reset (above) will restore the default 1-2-3-4-5 Master Code.

Manufacturer Documents

📄 Official Alarm Lock / NAPCO Support & Manuals

Frequently Asked Questions

What is the default Master Code on an Alarm Lock Trilogy?

The factory default Master Code on all Alarm Lock Trilogy T2 locks (DL2700, DL2800, DL3000, etc.) is 1-2-3-4-5. You should change this immediately after installation for security.

How many user codes can the Trilogy DL2700 hold?

The Trilogy T2 DL2700 supports up to 100 user codes: 1 Master Code, 10 Manager Codes (banks 01-10), and 90 basic User Codes (banks 11-100). Each code is 3-6 digits. There are also 3 one-time Service Codes available.

What is a Service Code on an Alarm Lock Trilogy?

A Service Code is a one-time-use access code. Once entered, the code automatically deletes itself and cannot be used again. This is ideal for giving temporary access to a repair technician or delivery person without needing to delete the code afterward.

Can I program the Trilogy from a computer?

Yes. Alarm Lock offers free DL-Windows software that lets you program the lock via a PC using the optional AL-DTM Data Transfer Module or AL-PCI cable. This is useful for managing large numbers of users or setting up scheduled access times.

Need More Help?

If these instructions didn't solve your issue, contact the manufacturer directly or call your local locksmith:

📞 Alarm Lock / NAPCO Support 1-800-645-9445 Mon-Fri · Customer Service & Technical Support

🔧 Key-En-Lock Locksmith (321) 224-5625 Brevard County, FL · Available 24/7

Can't reach the manufacturer? Our licensed locksmiths service all Alarm Lock Trilogy models throughout Brevard County.