The purpose of this section is to assist you in identifying what type of safe and/or lock you have, or at least tell you what to look for — before you call. This will allow us to help you with both residential and commercial safe lock issues. It will also help you to determine the procedure for changing electronic safe lock codes or determine the correct dialing procedure for your mechanical combination lock.

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If you are in West Michigan or Central Michigan call Hoogerhyde Safe. But first — please do your best to identify the type of lock you have or the type of problem you are experiencing by reading the information below! If you call us without first attempting to identify the lock or problem, we will direct you to this page anyway. There are too many questions to ask for a brief phone call. If you are still having trouble after that, call us while you are standing next to your safe and we will help you.

Mechanical Combination Safe Locks

What Kind of Combination Lock Do I Have?

The following points will help to identify which type of mechanical combination lock you have:

Look for identifying marks on the lock dial
Look for a safe manufacturer’s name and/or model number on the safe door
Is the safe relatively new or does it seem to be 40 or more years old? More than 100?
If it is 40 years old or less, a safe serial number might help — look for one
How many numbers are shown on the dial?
Can you tell whether the lock system is direct entry? (See below)
Do you know the proper dialing procedure?
Are there dialing indicator marks at 12:00 and 11:00 positions, or only at 12:00?
Is the dial plastic or metal?
Where did you get the safe?
Remove the back panel of the safe door. If you can see the lock, you can usually find information either embossed on the lock cover or on a paper label. Warning: Do not remove the lock or the lock cover!

AMSEC safes have a long and distinguished history. Founder Glenn Hall created the company over sixty years ago with little more than a welding torch, a lathe, and a can-do attitude. From these humble beginnings, AMSEC grew into the best known safe and vault provider in the world. Hall's success is a prime example of the American Dream. AMSEC safes have a long and distinguished history. Founder Glenn Hall created the company over sixty years ago with little more than a welding torch, a lathe, and a can-do attitude. From these humble beginnings, AMSEC grew into the best known safe and vault provider in the world. Hall's success is a prime example of the American Dream.

Group 2 Locks: Over the last 40 or so years, the most common type of combination lock on good quality safes is a Group 2, or a lock that mimics a Group 2. This is a security certification, a rating for burglary deterrence which is awarded by Underwriters Laboratory based on extensive testing. The largest manufacturers of Group 2 locks are Sargent & Greenleaf (S&G), LaGard (LG), Diebold, and Mosler. These manufacturers sometimes put their names on the dials of their locks; other manufacturers rarely do.

Group 2M, Group 1, and Group 1M Locks: U.L. awards these certifications for locks that achieve even higher security levels, again based on extensive testing. Cara instal mod loader nfs most wanted. Group 2M, Group 1 and Group 1M locks are uncommon but sometimes used by banks, credit unions, jewelers, etc. It is unlikely that you have one of these.

Direct Entry Lock Systems: Many cheap safes and old safes use what is called a direct entry lock system. These are all less secure than Group 2 locks. There are several ways to identify one of these:

Put some pressure on the safe’s opening handle and then turn the lock dial. If, through the handle, you can feel the lock turning, then it is a direct entry lock.
Some direct entry units use a key or thumb-turn along with the dial; the key or thumb-turn, rather than an opening handle, throws the safe bolts. You can usually feel the dial turning when you put turning pressure on the key or thumb-turn.
If the safe has only a dial and not a separate handle, then it is also a direct entry lock.

Old Safe Model Locks: Old safes (before Group 2 locks became the standard for good security) had numerous types of combination locks. Likewise there were many different dialing procedures. Most modern lock dials have 100 numbers; older locks may have only 60, 50 30 or 25.

The above information should help you determine what type of combination lock you have, or at least narrow down your search. If you are still unsure, call us while you are standing next to your safe.

For typical dialing sequences, go to Mechanical Combination Lock Dialing Procedures.

Precisely Identify the Problem with the Combination Lock

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Answering these questions will allow a locksmith or safe tech to give you the best assistance when you call. Here are the most common problems with combination safe locks:

Lost combination?
Lost operating instructions?
Are you certain you are using the proper dialing procedure?
Damage from break-in or vandalism?
Did it just suddenly stop working, or was there a minor problem that gradually kept getting worse?
Is the dial hard to turn, does it feel normal, or does it feel like it is “free-wheeling”?
Is the dial stuck and not moving at all?
Does it feel like the lock is working properly but the door still will not open?

Electronic Safe Locks

There are more types of electronic locks than dial types. Even though they have only been around for about 20 years, a number of them are obsolete with no exact replacements available. Some models do nothing more than unlock with just one user code. Some have multiple user codes, time delays, alarm capabilities, etc. Electronic locks are more delicate than dial locks: Keypads can wear out, liquids can short out the electronics, battery wires get pinched or broken, they are easily damaged when bumped, etc.

What Kind of Electronic Lock Do I Have?

The following points will help to identify which type of electronic safe lock you have:

Look at the face of the keypad for some kind of brand identification. Sargent & Greenleaf (S&G), LaGard (LG or Basic), Secure Ram, Kaba, Mas Hamilton, and American Security (Amsec) locks are usually identified on the keypads. Some keypads show model numbers but most do not. Many have no identification at all, which makes the safe model critical.
What is the code entry procedure? Lock manufacturers typically have their own unique unlocking pattern. For example: If you start by pushing C, then 6 digits, and finish with #, it is probably an Amsec ESL 5, 10 or 20; six digits followed by # could be a number of locks but the most likely is S&G; hitting nothing except six digits is probably Lagard; if you start by turning an outside ring back & forth before entering the code it is a Kaba; if you turn an outer ring after putting in the code, that narrows it down.
What brand and model safe is it? Typically modern safe manufacturers will only use specific brands of locks on their safes, so knowing the safe model will help narrow your search.
If the safe brand and model are not known, where did the safe come from?
What shapes are the keypad and buttons? Is the keypad round, square or rectangular? Are there three rows of four buttons or four rows of three buttons, or something else? Are the