How to unlock Master Lock forgot combination?
Method 1 Method 1 of 3: Cracking the Code
- Familiarize yourself with the lock. A lock has three main components. ...
- Practice pressure. To find a lock combination you will need to pull up gently on the shackle. ...
- Find the first number. ...
- Set the first number of the combination as your starting point. ...
- Turn the dial counterclockwise to find the second number. ...
- Try combinations. ...
- Test for the third number. ...
How do you unlock a Master combination lock?
- Find your lock's serial number.
- Print out the Lost Combination Form (PDF).
- Have the form notarized by a Notary Public to prove you are the owner of the lock. You can include up to 6 combinations on one notarized form.
- Submit your form to: Master Lock Warehouse 24 North Free Port Drive Nogales, AZ 85621
How to unlock a Master Lock?
Things You'll Need
- Scrap paper
- Pencil
- Calculator
How do you reset a Master combination lock?
- Open the lock using the previous combination. …
- Insert the reset tool in the hole on the side of the lock. …
- Push the reset tool in and turn 90° in either direction. …
- Set wheels to your new combination.
- Turn and remove the reset tool.
I've lost or forgotten the combination to my Master Lock lock. What can I do?
Does your Master Lock lock have a serial number? If it doesn't, we won't be able to help you find your combination because we don't have a record o...
I lost the combination to my Master Lock Set-Your-Own Combination lock. Can you help me reset it?
Unfortunately no. You cannot reset this lock without knowing the current combination. You'll likely need to purchase a new lock.
I accidentally reset the combination on my Master Lock resettable combination lock. Now I don't know...
Unfortunately, you cannot reset this lock without knowing the current combination. You'll likely need to purchase a new lock.
I've lost the reset tool for changing the combination on my lock. How can I get a new one?
As a courtesy, our customer solutions group can issue you a replacement tool free of charge. You will need to supply the model number or an image o...
How can I retrieve my lost combination when my Master Lock lock is attached to a bike, cabinet, lock...
We will not provide lost combinations if the lock is attached to anything.
I'm unable to get a legible photocopy of my lock for the Lost Combination Form. What should I do?
Try lightening the copy as much as possible. The most important thing is that we can see that the lock is not attached to something.
How do I set the combination on my Master Lock 5400D / 5401D Key Safe?
To set or reset the combination on your Master Lock 5400D / 5401D Key Safe: Open the compartment door by entering the combination. The factory-set...
How do I set the combination on my 5422D / 5423D Push Button Lock Box?
To set or reset the combination on your 5422D / 5423D Push Button Lock Box:Open the lock box by entering the combination. If you're setting the com...
How do I set the combination on my 5424D / 5425D Spare Key Storage Safe?
To set or reset the combination on your 5424D / 5425D Spare Key Storage Safe: Open the compartment door by entering the combination. The factory-se...
How do I set the combination on my Master Lock 5406D Spare Key Storage Safe?
To set or reset the combination on your Master Lock 5406D Spare Key Storage Safe: Open the compartment door by entering the combination. The factor...
2. Clear the Lock
The thumb rule for cracking any lock is to establish a standard point from which you can launch your cracking process. When it comes to the master lock, the starting point is clearing the lock. To clear the lock, you should start by spinning the dial a minimum of three or four times, ensuring you pass the zero mark every time.
3. Crack the 3rd Number in the Combination
After clearing the lock in the cracking procedure, the next step is to look for the 3rd number of your combination. This may sound a little bit odd. You could be wondering why not start by cracking the first number in the combination.
4. Find the 1st Sticking Point
While rotating the lock’s dial in the anticlockwise direction as per the step above, you will find yourself reaching a point where you cannot rotate the dial freely. You will notice that the dial is stuck in a groove between 2 numbers.
5. Find the 2nd Sticking Point
Having found the first sticking point, our next objective is to get the second one. To achieve this, you have to start by releasing the shackle tension and then turning the dial slightly clockwise past the 1st sticking point, 6 or 6.5 in our example above.
6. Find the Rest of the Sticking Points
Having obtained two of the twelve sticking points, you need to look for the remaining ten by repeating the same procedure to crack the 3rd number in the combination. Ensure that you record all the sticking points as you had done with the first two.
7. Crack the 1st Number in the Combination
As aforementioned, cracking the other numbers leaves you with ten possibilities. To begin with, you have to divide the distinct number or the third number by four. In our case, it is dividing 29 by four. When you have divided, your concern shall be the remainder which is 1.
8. Crack the 2nd Number in the Combination
Having cracked the first number, you should be able to crack the 2nd number. To crack the 2nd number of your combination, you go back and check the remainder you used in the above step. In our case, the remainder was one. You are supposed to add two to one (1+2).
What happens if Master Lock is unable to do your lock?
If Master Lock is unable to do your lock, you can expect the response to be faster. However you get to open your lock, your next step will likely be to reset it. Having to repeatedly pick your lock to gain access to your key box would be a headache.
How do master locks work?
As a result, holding down the open button will cause the lock mechanism to seek out those rods. If the rods are all correct and pressed in the same order , the lock will respond by opening. In this case, you will be doing that backward.
How much does it cost to get a lockpicking kit?
Step one requires you to get a lockpicking kit or a think pick. A lockpicking kit can set you back around $30 but will work for various lock situations. For most standard Master Locks, you will only need the pick for this to work.
What is the largest key box?
One largest key boxes you can get through Master Lock is the 5900d. Because it is still small in size, it follows many of the same techniques to open as the earlier how-tos we reviews. However, there are some reports that you can decode the lock by looking through the front. If that doesn’t help, use the same technique we mentioned earlier:
Is the Speed Dial a modern lock?
Given that the Speed Dial is a modern lock, you will have to be extra attentive for that to work. Lock manipulation requires years of training to master, don’t expect to do it in one go. Honestly, the Master Lock Speed Dial is enough of a pain to suggest cutting out the middle man and buying a pair of bolt cutters.
Can you reset a box without opening it?
As you might expect, it is hard to reset the box without opening it. As a result, you will need to open it up before you can reset it. If you don’t remember the combination, check out the instructions mentioned earlier in this list. The combination is typically 0000 for new purchases. If that doesn’t work, check your owner’s manual.
Can you pick a lock without a serial number?
Without a serial number, we will need to dig into some steps required to pick your lock. We will also go through steps to reset your combination and store it to not run into this issue again.
How to open a combination lock without a code?
Never open combination locks that do not belong to you. Method 1: Cracking the Code of Combination Locks. Method 2: Creating a Shim for Combination Locks.
What is a combination lock?
Combination Locks are capable of securing items within any home or place. But in case you lose or forget the combination to the lock to open it, situation becomes very tense and can be very frustrating at times as no combinations means no access to your possessions.
How to use a shim?
Generally the mechanism is on the left side while looking at the lock and the shackle is on the top and the dial faces you. Cut aluminum can. Make a shim by cutting up a soda can.
How to find the third number on a lock?
Try combinations. You may find the third number by simply testing every possible combination with first two numbers set as they have been guessed already. Turn the dial clockwise very slowly, testing for each possible combination. With only forty possible combinations, do not reset the first two numbers for each combination. Simply turn one last number then tug. Repeat the process until the lock unlocks.
How to find the second number when clicking?
When click happens between two numbers, take the higher number. Now, add 5 to clicked number and write it down which will be considered is the first number of the combination. Turn the dial anticlockwise to find the second number. With a gentle pressure on the shackle, turn the dial slowly.
Where is the lock mechanism on a lock?
Generally we hold the lock with the shackle on top and dial faces us, and the locking mechanism is on the left side of the shackle.
Can you get a combination lock over the phone?
Due to security concerns, manufacturers are most likely not offer the combination over the phone or via email. You might be requested to furnish proof that you own the lock, such as a receipt of the lock to prove your ownership. Consult the owner.