Your Safeguard SD-103 is equipped with a mechanical combination lock with a permanent code and a high-security key lock. You enter your combination correctly before you can use your key. Follow this step-by-step procedure exactly.
| Parameter | Measurement | | :--- | :--- | | | 348 × 488 × 417 mm (13.7 × 19.2 × 16.4 in) | | Internal Dimensions (H×W×D) | 226 × 366 × 260 mm (8.9 × 14.4 × 10.2 in) | | Volume | 22 liters | | Weight | 51–52 kg (112–115 lbs) | | Lock System | Mechanical combination lock + key lock | | Lock Type | Mechanical combination lock with permanent code; programmable for SD-103T | | Fire Resistance | Class 60B (1 hour at 1,100°C/2,012°F) | | Manufacturer | Safeguard (South Korea) |
Unlike digital locks, the mechanical SD 103 has no "master code" override accessible to the user. There is no backdoor code. You have two options:
The following is a comprehensive manual for the Safeguard SD-103 safe. This guide is designed to help new owners understand, operate, and maintain their safe effectively. Please read all instructions carefully before first use.
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Double-walled steel plates sandwiching fire-resistant concrete composite material. 2. Initial Setup: Opening Your Safe for the First Time
If you have searched for the you are likely looking for instructions on resetting the combination, troubleshooting a jammed shackle, or understanding the programming sequence. This article serves as a comprehensive, unofficial manual to help you master your Safeguard SD 103.
Press the or clear key to wake up the panel (if required). Input your programmed 3-to-8-digit security code. Press the "#" or "*" confirmation key.
