German manufacturer of security and storage solutions, specializing in safes, reliable cash boxes, key cabinets, and heavy-duty logistics equipment.
HMF is a brand operated by Holthoff Trading GmbH, a German company dedicated to security and organizational products for home and business use. The brand offers a diverse portfolio of secure storage solutions, including electronic furniture safes, wall safes, fireproof document boxes, and gun cabinets.
In addition to security hardware, HMF produces office organization tools such as cash boxes, key management systems, and letterboxes, made with durable materials and precision engineering. The product line also extends to logistics components, including heavy-duty castors and transport aids. HMF is known for solid steel construction, user-friendly electronic locks, and practical designs that protect valuables and streamline daily operations.
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If the batteries are completely flat, the electronic keypad will not function. You must use the supplied emergency key to mechanically unlock the safe. Once open, locate the battery compartment (usually on the inside of the door) and replace all batteries with fresh AA alkaline batteries.
Many HMF electronic safes are shipped with a factory default code, such as '159'. It is critical to change this to your own personal user code immediately after setting up the safe to ensure security.
For mechanical combination locks, standard procedure involves setting the dials to the current code (default 0-0-0), moving the reset lever from position A to B, setting your new code, and then moving the lever back to position A. Refer to the specific manual for your model as steps may vary.
The key number is often engraved on the key itself or on the lock face. HMF recommends noting this number down immediately upon receipt and keeping it in a secure location separate from the safe, as it is required for ordering replacement keys in case of loss.