Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Viking Security Safe VS-48DS Heavy Duty Depository Safe. Please read this manual thoroughly before using the safe to ensure proper function and security.
The VS-48DS is designed for secure storage of cash, documents, and other valuables, featuring a drop slot for convenient deposits and a robust digital keypad locking mechanism with backup key access.
Important Safety Information
- Keep override keys in a secure location away from the safe. Do not store them inside the safe.
- Ensure the safe is securely mounted to prevent unauthorized removal.
- Do not leave the safe door open or unlocked when unattended.
- Replace batteries promptly when the low battery indicator appears to avoid lockouts.
- This safe is not water-resistant. Avoid exposure to water or high humidity.
Package Contents
Verify that all items are present in the package:
- Viking Security Safe VS-48DS
- 2 Back-up Keys
- 4 AA Batteries
- 4 Mounting Bolts
- Allen Wrench
- User Manual (this document)

Figure 1: Included mounting bolts and override keys.
Setup Instructions
1. Unpacking and Initial Inspection
Carefully remove the safe from its packaging. Inspect the safe for any signs of damage. Report any damage to your retailer immediately.
2. Battery Installation
- Locate the battery compartment on the inside of the safe door.
- Insert the 4 AA alkaline batteries provided, ensuring correct polarity.
- Close the battery compartment cover.
The safe requires 4 AA batteries for operation. The included batteries are for initial setup; consider replacing them with new, high-quality alkaline batteries for extended life.
3. Initial Access and Testing
Before setting your personal codes, familiarize yourself with the override key access.
- Locate the keyhole on the keypad panel.
- Insert one of the provided override keys and turn it clockwise to unlock the safe.
- Open the safe door. The motorized bolts will retract, and the door will spring open.
- Test closing the door and locking it with the key.

Figure 2: Using the override key for initial access.
4. Mounting the Safe
For maximum security, it is highly recommended to mount the safe. The VS-48DS can be wall-mounted or secured to a floor.
- Choose a suitable location, considering the safe's dimensions (13.8"D x 15.4"W x 18.9"H) and accessibility.
- Open the safe door and locate the pre-drilled mounting holes on the back and bottom panels.
- Position the safe and mark the drilling points on the wall or floor.
- Drill pilot holes using an appropriate drill bit for your mounting surface.
- Align the safe with the drilled holes and secure it using the provided mounting bolts. Tighten firmly with the Allen wrench.

Figure 3: Internal features and dimensions of the safe, including mounting points.
Operating Instructions
1. Setting User Codes (Master and Employee)
The safe supports a Master Code and an Employee Code. The Master Code can change both codes, while the Employee Code can only open the safe.
- To set the Master Code: With the door open, press the red reset button located inside the safe. The keypad display will show "SET". Enter your desired 3-8 digit Master Code, then press "#". The display will confirm "GOOD".
- To set the Employee Code: With the door open, press the green reset button located inside the safe. The keypad display will show "SET". Enter your desired 3-8 digit Employee Code, then press "#". The display will confirm "GOOD".
Always test your new codes with the door open before closing it.
2. Opening the Safe
- Enter your 3-8 digit Master or Employee Code on the keypad.
- Press the "#" key.
- The display will show "OPEN", the motorized bolts will retract, and the door will spring open. The internal LED light will illuminate.
If an incorrect code is entered, the display will show "ERROR". After three incorrect attempts, the safe will enter a lockout period.
3. Closing and Locking the Safe
Simply push the door closed firmly. The motorized bolts will automatically extend, and the safe will lock. The display will show "CLOSED".
4. Depositing Items via Drop Slot
The VS-48DS features an anti-fish drop slot for secure deposits without opening the main door.
- Pull the drop slot drawer outwards.
- Place cash, envelopes, or small documents into the drawer.
- Push the drawer back in completely. The items will fall into the main compartment of the safe.
The anti-fish design prevents items from being retrieved once deposited.

Figure 4: Depositing items into the anti-fish drop slot.
5. Keypad Options
The keypad offers several configurable options:
- Sound On/Off: Press a specific key combination (refer to the quick guide on the safe or inside the door for exact sequence) to toggle keypad sound.
- Internal Light On/Off: Press a specific key combination to toggle the internal LED light.
- PIN Code Show/Hide: Press a specific key combination to toggle whether entered PIN digits are displayed or hidden (e.g., as asterisks).

Figure 5: Keypad display options for sound, safe status, internal light, and PIN visibility.
Maintenance
1. Battery Replacement
When the batteries are low, the keypad display will indicate "LOW BATT" or similar. Replace all four AA batteries promptly to ensure continuous operation and prevent lockouts. Use only new, high-quality alkaline batteries.
2. Cleaning
Clean the exterior of the safe with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish or keypad. The interior is carpeted and generally requires minimal cleaning.
3. Key Care
Store your override keys in a secure location, separate from the safe. Do not duplicate keys unless absolutely necessary, and ensure any duplicates are also stored securely. Avoid bending or damaging the keys.
Troubleshooting
- Safe does not open with code:
- Ensure batteries are fresh and correctly installed.
- Verify you are entering the correct 3-8 digit code followed by "#".
- If multiple incorrect attempts were made, wait for the lockout period to expire.
- Use the override key to open the safe if digital access fails.
- Keypad is unresponsive:
- Check battery levels and replace if necessary.
- Ensure no debris is obstructing the buttons.
- Internal LED light not working:
- Check battery levels.
- Verify the light option is enabled via the keypad settings (refer to "Keypad Options" section).
- Alarm sounds unexpectedly:
- The safe has an alarm feature. Ensure it is not being triggered by unauthorized movement or tampering.
- Refer to the quick guide for alarm deactivation procedures.
Specifications
| Feature | Detail |
|---|---|
| Brand | Viking Security Safe |
| Model Number | VS-48DS |
| Product Dimensions (D x W x H) | 13.8" x 15.4" x 18.9" |
| Lock Type | PIN Combination, Key |
| Capacity | 28 Kilograms (approx. 61 Pounds) |
| Material | Alloy Steel |
| Special Features | Depository Safe, Digital Keypad, Anti-Fish Drop Slot, Motorized Lock, LED Light |
| Mounting Type | Wall Mount / Floor Mount |
| Batteries | 4 AA batteries (included) |
| Alarm | Yes |
| Water Resistance Level | Not Water Resistant |
| UPC | 855113006186 |

Figure 6: Size comparison of Viking Security Safe models, highlighting the VS-48DS.

Figure 7: Detail of locking mechanism and key types.
Warranty and Support
For warranty information or technical support, please contact Viking Security Safe customer service. Details can typically be found on the manufacturer's website or through your purchase documentation.
Keep your purchase receipt as proof of purchase for any warranty claims.
Online resources and FAQs may also be available on the Viking Security Safe Store.