Introducció
The Master Lock 5425D Wall Mount Lock Box is designed to provide a secure and convenient solution for storing spare keys and access cards. Its durable metal body and wall-mount design ensure permanent installation and reliable protection. The lock box features large, easy-to-read light-up dials and a resettable four-digit combination, making it accessible even in low-light conditions. A weather cover protects the dials from the elements.

Figure 1: Master Lock 5425D Wall Mount Lock Box with its protective cover open, revealing the combination dials and internal storage.
Configuració
1. Muntatge a la paret
The Master Lock 5425D is designed for permanent wall installation. Ensure you select a sturdy surface capable of supporting the lock box securely. Mounting hardware is typically included.
- Trieu un lloc adequat per a la instal·lació.
- Open the lock box to expose the mounting holes on the back panel.
- Mark the positions for drilling using the lock box as a template.
- Drill pilot holes as necessary for your mounting surface.
- Secure the lock box to the wall using appropriate screws.

Figure 2: The lock box is designed for permanent wall installation, providing a secure point for key access.
2. Setting Your Combination
The lock box comes with a factory-set combination (usually 0-0-0-0). You can easily reset this to a personalized four-digit code.
- Open the lock box using the current combination.
- Inside the lock box, locate the reset lever (often marked 'A' and 'B'). Push the reset lever into position 'A'.
- Rotate the dials to your desired four-digit combination. Ensure the numbers are aligned with the indicator line.
- Push the reset lever back to position 'B'.
- Scramble the dials to lock the mechanism. Your new combination is now set.

Figure 3: Step-by-step instructions for setting a personalized four-digit combination.
3. Battery Installation (for Light-Up Dials)
The light-up dials are powered by a replaceable CR2032 battery, which is typically included and pre-installed. If replacement is needed, refer to the maintenance section.
Instruccions de funcionament
1. Obrir la caixa de seguretat
- Slide down the weather cover to expose the dials. The dials will automatically light up in low-light conditions.
- Rotate the dials to your set four-digit combination.
- Push the large open lever (located above the dials) downwards to release the door.
- The door will swing open, revealing the internal storage compartment.
2. Storing Keys and Access Cards
The internal cavity is designed to securely store multiple keys and access cards.
- Place your keys or access cards inside the compartment.
- Ensure items are placed neatly to allow the door to close without obstruction.

Figure 4: The spacious interior securely holds multiple keys and key fobs, offering a safer alternative to traditional hiding spots.
3. Closing and Locking the Lock Box
- Close the door of the lock box firmly until it clicks shut.
- Scramble the combination dials to prevent unauthorized access.
- Slide the weather cover back up to protect the dials from the elements.
4. Using Light-Up Dials
The light-up dials activate automatically when the weather cover is opened in low-light conditions, enhancing visibility and ease of use during nighttime or in dimly lit areas.
Manteniment
1. Weather Cover
The integrated weather cover protects the combination dials from rain, snow, and dirt, preventing freezing and jamming. Ensure the cover is always closed when the lock box is not in use to maintain its protective function.
2. Substitució de la bateria
The light-up dials are powered by a CR2032 battery. If the dials no longer illuminate, the battery may need replacement.
- Open the lock box and locate the battery compartment, typically on the inside of the door or main body.
- Traieu amb cura la pila CR2032 antiga.
- Inseriu una nova bateria CR2032, assegurant la polaritat correcta.
- Tanqueu el compartiment de la bateria de manera segura.
Resolució de problemes
- Dials not lighting up: Check the CR2032 battery. Replace if necessary.
- Difficulty opening: Ensure the correct combination is entered and the dials are perfectly aligned. The open lever should move freely.
- Stuck dials: Ensure the weather cover is fully open and there is no debris obstructing the dials. Apply a small amount of graphite lubricant if needed.
- Forgotten combination: If you forget your combination, Master Lock recommends contacting their customer support for assistance, as there is no universal override code.
Especificacions
| Característica | Detall |
|---|---|
| Número de model | 5425D |
| Tipus de bloqueig | 4-Digit Resettable Combination |
| Material del cos | Metall |
| Dimensions externes (L x A x A) | 8.2 x 5.3 x 2.1 polzades (20.8 x 13.5 x 5.3 cm) |
| Dimensions internes (H x A x P) | 4-3/16 inch (106 mm) height, 2-3/8 inch (60 mm) width, 1 inch (25 mm) depth |
| Capacitat clau | 6 claus |
| Característiques especials | Light-Up Dials, Durable Weather Cover |
| Tipus de bateria | CR2032 (inclòs) |
| Pes de l'article | 1.15 lliures (0.52 kg) |

Figure 5: Detailed dimensions of the Master Lock 5425D lock box.
Vídeo oficial del producte
Vídeo 1: Un oficial acabatview of the Master Lock 5424D/5425D models, demonstrating key features and usage.
Informació de la garantia
The Master Lock 5425D Lock Box is backed by a Garantia limitada d'un any. This warranty covers defects in material and workmanship under normal use. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the official Master Lock weblloc.
Suport
For further assistance, technical support, or to inquire about replacement parts, please contact Master Lock customer service. You can find contact information on the official Master Lock weblloc web o a través del venedor on vau comprar el producte.
- Assistència en línia: Visita el Oficial de Master Lock weblloc.
- Atenció al client: Refer to your product packaging for regional contact numbers.





