1. Introduction
Thank you for choosing the HMF Digital Combination Safe Box. This manual provides essential information for the safe and efficient operation of your new safe. Please read these instructions carefully before installation and use, and retain them for future reference.
Safety Information
- Do not store the emergency keys inside the safe. Keep them in a secure, accessible location away from the safe.
- Ensure the safe is securely mounted to prevent unauthorized removal.
- Replace batteries promptly when the low battery indicator appears to avoid being locked out.
- Keep your personal codes confidential and do not write them down near the safe.
2. Package Contents
Please check the package to ensure all items are present:
- 1 x HMF Digital Combination Safe Box
- 2 x Emergency Keys
- 4 x Fixing Screws
- 4 x Wall Anchors
- 2 x Removable Shelves
- 1 x Instruction Manual (this document)
3. Setup
3.1 First Opening (Using Emergency Key)
To open the safe for the first time, or if you forget your code or the batteries are depleted, use the emergency key:
- Locate the emergency key cover on the electronic keypad.
- Gently remove the cover to reveal the emergency keyhole.
- Insert one of the provided emergency keys into the keyhole and turn it counter-clockwise.
- While holding the key turned, rotate the knob clockwise to open the safe door.
- Remove the key and store it in a safe place, away from the safe.

3.2 Battery Installation
The safe requires 4 AA batteries (not included) for the electronic lock to function.
- Open the safe door using the emergency key (if not already open).
- Locate the battery compartment on the inside of the safe door.
- Slide open the battery compartment cover.
- Insert 4 new AA alkaline batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover. You should hear a short beep indicating successful installation.

3.3 Mounting the Safe
For enhanced security, it is recommended to mount the safe to a wall or floor.
- Choose a suitable location for mounting, ensuring it is a solid surface.
- Mark the drilling points through the pre-drilled holes on the back or bottom of the safe.
- Drill holes at the marked positions using an appropriate drill bit for your wall/floor material.
- Insert the provided wall anchors into the drilled holes.
- Position the safe and secure it using the fixing screws. Tighten firmly.

4. Operating Instructions
4.1 Setting the User Code
The user code can be 3 to 8 digits long.
- With the safe door open, press the red reset button located on the inside of the door, near the hinge. You will hear a beep and the yellow light on the keypad will illuminate.
- Enter your desired new user code (3-8 digits) on the keypad.
- Press the '#' button to confirm. The safe will beep twice, and the yellow light will turn off, indicating the code has been set.

4.2 Opening with User Code
- Enter your user code (3-8 digits) on the keypad.
- Press the '#' button. The green light will illuminate, and you will hear a beep.
- Within 5 seconds, turn the knob clockwise to open the safe door.
4.3 Setting the Master Code
The master code can also be 3 to 8 digits long and provides an alternative access method.
- With the safe door open, press '00' on the keypad.
- Press the red reset button located on the inside of the door. You will hear a beep and the yellow light will illuminate.
- Enter your desired new master code (3-8 digits) on the keypad.
- Press the '#' button to confirm. The safe will beep twice, and the yellow light will turn off.
4.4 Opening with Master Code
- Enter your master code (3-8 digits) on the keypad.
- Press the '#' button. The green light will illuminate, and you will hear a beep.
- Within 5 seconds, turn the knob clockwise to open the safe door.
4.5 Silent Mode
To operate the safe without sound:
- To activate silent mode: Press '00' then '*' on the keypad.
- To deactivate silent mode (restore sound): Press '66' then '*' on the keypad.
4.6 External Power Supply (for Dead Batteries)
If the batteries are completely depleted and you cannot open the safe with your code:
- Locate the external power contacts on the keypad (usually two small metal points).
- Press a 9V battery firmly against these contacts.
- While holding the 9V battery in place, enter your user or master code and press '#'.
- Turn the knob clockwise to open the safe.
- Once open, replace the internal AA batteries immediately.
4.7 Alarm Function
If an incorrect code is entered three consecutive times, the safe will sound an alarm for 20 seconds. If three more incorrect entries are made, the alarm will sound for 5 minutes.
4.8 Factory Reset
To reset the safe to its factory default code (usually 159 or 1234, refer to specific model documentation if different):
- Open the safe door.
- Press and hold the red reset button on the inside of the door for approximately 5 seconds until you hear a long beep.
- The safe is now reset to its factory default code. You will need to set a new user code.
5. Maintenance
- Cleaning: Wipe the safe's exterior with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Battery Replacement: Replace batteries annually or when the low battery indicator lights up to ensure optimal performance.
- Lock Mechanism: Do not lubricate the lock mechanism. If it becomes stiff, contact customer support.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with code. | Incorrect code entered; batteries are low or dead. | Re-enter code carefully. Use emergency key or external 9V battery to open and replace internal batteries. |
| Keypad does not respond. | Dead batteries; keypad malfunction. | Replace batteries. If issue persists, use emergency key and contact support. |
| Alarm sounds frequently. | Repeated incorrect code entries. | Ensure correct code is used. If accidental, wait for alarm to clear. |
| Door does not close properly. | Obstruction; bolts not retracting fully. | Check for obstructions. Ensure knob is turned fully counter-clockwise to extend bolts. |
7. Specifications
- Model: 4612512
- Brand: HMF
- Material: Alloy Steel (1.5mm body, 4mm door)
- Color: Anthracite
- Locking System: Electronic (3-8 digit PIN), Double Bolt, Emergency Key
- Exterior Dimensions (H x W x D): 50 x 35 x 31 cm
- Interior Dimensions (H x W x D): 49.6 x 34.6 x 27 cm
- Weight: 14.3 kg
- Power: 4 x AA Batteries (not included)
- Mounting: Pre-drilled holes for wall/floor mounting

8. Warranty & Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official HMF website. Keep your proof of purchase for warranty claims.
For additional information or to explore other HMF products, visit the HMF Brand Store.





