Introduction
The Karini 4.0 CUB Single-door Cash Safe is designed to provide secure storage for valuables, cash, and important documents. Featuring a convenient drop slot for easy deposits and a dual-zone security system, this safe is suitable for various business and personal applications. Please read this manual thoroughly before installation and operation to ensure proper use and maximum security.
Safety Information
- Always keep the emergency keys in a secure location, separate from the safe, and not inside the safe itself.
- Ensure the safe is properly mounted to a wall or floor using the provided expansion bolts to prevent unauthorized removal.
- Do not store flammable materials or liquids inside the safe.
- Avoid exposing the safe to extreme temperatures or humidity.
- If using the external battery box, ensure the internal batteries are removed to prevent potential issues.
Package Contents
Carefully unpack your Karini Cash Safe and verify that all the following items are included:
- Karini 4.0 CUB Single-door Cash Safe (x1)
- English Instruction Manual (x1)
- Emergency Key (x2)
- Top Cabinet Key (x2)
- External Power Box (x1)
- Expansion Bolt (x4)
- Durable Lining (x1)
- Fireproof Bag (x1)

Image: Karini 4.0 CUB Single-door Cash Safe with included accessories and key dimensions.
Product Overview
The Karini Cash Safe features robust construction and advanced security mechanisms:
- Durable Steel Construction: Made from heavy-gauge cold-rolled steel with 4 solid deadbolts and steel knobs for enhanced protection. The front drop slot includes an anti-fishing design.
- Dual-Zone Security System: Features a separate locked compartment for deposited items, allowing entry into the main compartment without access to the deposit slot contents.
- Electronic Keypad: Easy to program and use, with a reliable locking mechanism.
- Anti-Theft Alarm System: Activates after 3 consecutive incorrect password entries (20-second lock and alarm) or 6 consecutive incorrect entries (5-minute lock and alarm).
- Mounting Capability: Designed for secure installation to a wall or floor.

Image: Durable steel construction details of the safe.

Image: Illustration of the safe's dual-zone security system.
Setup
1. Installing Batteries
- Locate the battery compartment on the inside of the safe door.
- Insert 4 AA alkaline batteries (not included), ensuring correct polarity.
- Close the battery compartment cover.
2. Initial Opening (Using Emergency Key)
- Insert one of the emergency keys into the keyhole, usually hidden behind a cover on the keypad.
- Turn the key clockwise while simultaneously turning the alloy steel knob clockwise to open the safe door.
- Once open, remove the emergency key and store it in a safe, separate location.
3. Setting Your Passcode
- With the safe door open, locate the red reset button on the inside of the door (often near the hinge or battery compartment).
- Press the reset button. You will hear a beep, and the indicator light on the keypad will illuminate.
- Within 5 seconds, enter your desired 3-8 digit passcode on the keypad.
- Press the '#' key to confirm. You will hear a confirmation beep.
- Test the new passcode with the door open before closing it.
4. Mounting the Safe
To enhance security, it is recommended to mount the safe to a wall or floor.
- Choose a suitable location, ensuring there are no electrical wires or plumbing behind the drilling area.
- Mark the drilling points through the pre-drilled holes at the back or bottom of the safe.
- Drill pilot holes into the wall or floor using an appropriate drill bit.
- Align the safe with the drilled holes and insert the expansion bolts.
- Tighten the expansion bolts securely to fix the safe in place.

Image: Steps for wall or floor mounting the safe.
Operating Instructions
1. Opening the Safe
The safe can be opened in three ways:
- Using Passcode & Alloy Steel Knob: Enter your 3-8 digit passcode, then press '#'. The LED light will turn on. Within 5 seconds, turn the alloy steel knob clockwise to open the door.
- Using Emergency Key & Alloy Steel Knob: If batteries are dead or passcode is forgotten, insert the emergency key and turn it clockwise while simultaneously turning the alloy steel knob clockwise to open.
- Using External Battery Box & Passcode & Alloy Steel Knob: If internal batteries are dead, connect the external battery box to the port on the keypad. Then, enter your passcode and turn the alloy steel knob to open.

Image: Three ways to unlock the Karini Cash Safe.
2. Making Deposits via Drop Slot
The top drop slot allows for quick and secure deposits without opening the main safe door.
- Lift the handle of the drop slot drawer.
- Place cash, envelopes, or small items into the drawer.
- Close the drawer. The items will fall into the secure internal compartment.
3. Mute Function
To mute or unmute the keypad sounds, input '11#' on the keypad. A long beep will confirm the change.
Maintenance
1. Battery Replacement
When the battery indicator light flashes or the keypad does not respond, it's time to replace the batteries. Open the safe, replace the 4 AA alkaline batteries in the compartment, and ensure correct polarity.
2. Cleaning
Wipe the safe's exterior with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
3. Key Management
Keep emergency keys and top cabinet keys in a secure, separate location, away from the safe. Do not duplicate keys unless absolutely necessary, and ensure any duplicates are also stored securely.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with passcode. | Incorrect passcode entered; batteries are low or dead. | Re-enter passcode carefully. Replace batteries or use the external battery box. Use emergency key if necessary. |
| Keypad is locked and alarm sounds. | Too many incorrect passcode entries. | Wait for the lockout period (20 seconds or 5 minutes) to expire. To release the alarm immediately, open with the emergency key and remove one battery. |
| No power to keypad. | Batteries are dead or incorrectly installed. | Replace batteries, ensuring correct polarity. Use the external battery box for temporary power. |
| Emergency key does not turn. | Key is not fully inserted or mechanism is jammed. | Ensure the key is fully inserted and try turning gently. Do not force the key. |

Image: Anti-theft smart alarm system details.
Specifications
| Feature | Detail |
|---|---|
| Brand | Karini |
| Model Number | 690-FD |
| Product Dimensions (D x W x H) | 13.98" x 13.98" x 27.2" |
| Capacity | 5.6 cubic feet |
| Material | Alloy Steel |
| Lock Type | Digital Combination, Key |
| Mounting Type | Wall/Floor Mount |
| Item Weight | 71 Pounds |
| Special Features | Alarm System, Anti-Theft, Combination Lock, Safe with drop slot, Waterproof (Fireproof Bags) |
Official Product Video
Video: This video demonstrates the key features of the Karini Depository Safe, including its solid deadbolts, anti-fishing drop slot, and overall design for both business and personal use.
Warranty and Support
While specific warranty details are not provided in this manual, Karini is committed to customer satisfaction. If you encounter any problems or have questions regarding your safe, please refer to the contact information provided at the point of purchase or on the official Karini website for support.