Master Lock Box Reset: A Comprehensive Guide
Master Lock boxes are a popular choice for securing valuables, providing quick access to important items, and managing key distribution. However, like any electronic device, they may require a reset from time to time. This guide will walk you through the process of resetting your Master Lock box, ensuring you're back up and running in no time.
Understanding When to Reset Your Master Lock Box
Before we dive into the reset process, it's essential to understand why you might need to reset your Master Lock box. Here are a few common scenarios:
- Forgotten or lost admin code
- Multiple failed access attempts, leading to a lockout
- After a power outage or loss of power
- To reassign user codes or delete lost/stolen cards
Preparing for the Master Lock Box Reset
Before you begin, ensure you have the following items on hand:

- The Master Lock box itself
- An admin code (if you have one)
- A power source (AC adapter or batteries)
- A computer with an internet connection (for software updates)
Accessing the Reset Menu
To access the reset menu, follow these steps:
- Power on the Master Lock box.
- Enter your admin code (if known).
- Press the "#" key to access the programming menu.
- Enter "9999" to access the reset menu.
Resetting the Master Lock Box
Once you've accessed the reset menu, you can proceed with the reset process. Here's how to do it:
Option 1: Factory Reset
A factory reset will return your Master Lock box to its default settings, deleting all user codes, card numbers, and access schedules. To perform a factory reset:

- In the reset menu, enter "1" for "Factory Reset".
- Confirm the reset by entering "1" again.
Option 2: Software Update
If your Master Lock box has a software update available, you can perform the update through the reset menu. To do so:
- In the reset menu, enter "2" for "Software Update".
- Follow the on-screen prompts to connect your Master Lock box to your computer and update the software.
Option 3: Reassigning Admin Code
If you've forgotten your admin code, you can reset it through the reset menu. To do so:
- In the reset menu, enter "3" for "Admin Code Reset".
- Follow the on-screen prompts to set a new admin code.
Post-Reset: Reprogramming Your Master Lock Box
After resetting your Master Lock box, you'll need to reprogram it with your desired user codes, card numbers, and access schedules. Here's a brief overview of the process:
- Power on the Master Lock box.
- Enter your admin code.
- Press the "#" key to access the programming menu.
- Follow the on-screen prompts to add or modify user codes, card numbers, and access schedules.
Congratulations! You've successfully reset and reprogrammed your Master Lock box. With these steps, you're now ready to secure your valuables with confidence.