Lost Combination FAQs
Q: How can I have 24-hour access to my combination?
You can store your combination and/or key numbers at masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!
Q: I've forgotten the combination to my standard dial combination lock. How do I obtain the combination for personal use?
A) My lock does not have a serial number:
To provide enhanced long–term security, Master Lock has discontinued imprinting a serial number on the lock body on combination locks sold through retail locations. For greater convenience, we encourage consumers to store their combination at our secure website, Masterlockvault.com, which is easy to use and offers 24/7 access. Unfortunately, we are unable to provide combinations for non–serialized locks. Please see examples of a serial number if you are unsure if your lock features one.
B) My lock has a serial number:
Please send your request to firstname.lastname@example.org and provide model and serial numbers.
Store your combination at Masterlockvault.com - a FREE service from Master Lock! The Master Lock Vault provides a safe & convenient place to store all of your confidential data for quick & easy access from your PC, iPhone, or any other mobile devices!
Q: How can I obtain my lost combination when my lock is attached to my locker, bike, cabinet, etc.?
For security reasons Master Lock will not provide lost combinations if the lock is attached to anything.
Q: How long will it take to receive my combination?
It will take approximately 4 - 6 weeks for you to receive your combination once we receive the information.
Q: What is the dialing sequence to open a standard combination lock?
Please follow the steps outlined below:
- Turn the dial 3 times to the right and stop on the first number of the sequence.
- Turn the dial to the left, pass the first number of the sequence and stop on the second number.
- Turn the dial to the right and stop on the third number of the sequence.
- Pull up on the shackle.
Q: Can Master Lock reset my "Set-Your-Own" combination lock and send it back to me?
Unfortunately, your lock is a "set-your-own" combination lock. Once you have set the combination, we cannot reset it for you!
Q: I've lost the reset tool for changing the combination on my resettable lock model 175, 176, 177, or 178. How can I get a new one?
Contact your local hardware store or locksmith. (Master Lock's part number for the reset tool is K175).
Q: Someone was playing around with my resettable combination lock and accidentally reset the combination. Now, I don't know the correct combination. Is there any way to reset this lock back to "0" and assign a new combo?
Unfortunately, this lock is not resettable without knowing the combination that was assigned by the owner. It's most likely that you will need to purchase a new lock.
Q: How do I obtain the Activation Code for my Bluetooth Smart 4400 or 4401 padlocks?
To locate the lock's Activation Code on the instruction sheet included in the lock packaging:
- Remove the instruction sheet from the box packaging.
- The Activation Code is located on the upper left side of the instructions.
Q: I've lost the combination to my "Set-Your-Own" combination lock. Can you tell me what it is?
Resettable combination locks have a combination that is assigned by the owner of the lock. Therefore, Master Lock does not have record of the combination that the owner set. The lock cannot be reset unless it is in the open position. If your lock is attached to something, you will need to call a locksmith for removal. Please note that Master Lock does not reimburse for Locksmith services and/or fees.
Q: Where can I find the Default Code for my 1500iEURD padlock ?
The preset combination will be a series of four arrows which will look like the example code below (the preset combination is different for each lock):
The preset combination is in the plastic drawer at the back of the packaging.
Q: I set a personal combination to my padlock, but I cannot remember it, how do I open my lock?
For security purposes, the only way to open the lock is to use the combination. Resettable combination locks have a combination that is assigned by the owner of the lock. Therefore, Master Lock does not have record of the combination that the owner set.
Q: We have combination locker locks and we have lost the chart booklet that lists all of the serial numbers and their respective combinations. How can we obtain a new chart booklet?
To obtain a new combination chart booklet, send a request to email@example.com.
Q: I bought a TSA-accepted padlock that has been cut during my travel, how can I get a new product?
We appreciate your feedback and apologize for your inconvenient experience with this product. Indeed, your padlock is a TSA-accepted model so it is likely that the TSA screener may not have been adequately trained to recognize the red and white diamond logo on the lock.
We can submit a notice to the TSA and we would like the following information to complete the claims process.
These infomation will be sent to our licensor, Travel Sentry, and they will address the incident with the screener authority at the airport where the lock was cut.
• Date of travel:
• Name of departure airport:
• Airline, flight #, time of flight:
• Did the TSA place a "Notification of Baggage inspection" inside the bag (Y/N):
We would also like to replace the lock for you, so please confirm the model by number or photo.
Q: Is it possible to obtain a combination chart on CD or via e-mail?
Yes, it is possible to obtain a chart on CD or via e-mail. To obtain a new combination chart booklet, send a request to firstname.lastname@example.org. Please allow 2-4 weeks from the receipt of the request to process your chart.