Question about Master Lock 5400d: Portable Select Access Key Storage Lock

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I have a master lock its a lockbox model 5400d i forgot the combination and my car keys are in it

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Obertelli

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You have forgotten the combination on your Master Lock 5400d and did it appears that you did not register the combination at Masterlockvault.com. The only way to open your lock is by using the correct combination. There is no other way. Most mistakes are normally one or two digits out, so you may wish to try variations on what you thought you set.

Apart from that you can either try every possible combination or you will need to contact the manufacturer. But they cannot assist you if the lock does not have a serial number (they recently stopped applying serial numbers for greater security) and they will not assist if the lock is already secured to anything as is currently the case. There are a number of other hurdles as well, click here for details. Given that they state that you will have to wait four to six weeks for an answer, it's going to be far quicker to just try every possible combination.

Posted on Jul 28, 2011

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1 Answer

How do you open a master lock model 5400d if you forgot the combination


It would appear that you made a mistake in setting your new combination on your Master Lock 5400d and did not register the combination at Masterlockvault.com. The only way to open your lock is by using the correct combination. There is no other way. Most mistakes are normally one or two digits out, so you may wish to try variations on what you thought you set.

Apart from that you can either try every possible combination or you will need to contact the manufacturer. But they cannot assist you if the lock does not have a serial number (they recently stopped applying serial numbers for greater security) and they will not assist if the lock is already secured to anything. There are a number of other hurdles as well, click here for details. Given that they state that you will have to wait four to six weeks for an answer, it's going to be far quicker to just try every possible combination.

Jul 14, 2011 | Master Lock 5400d: Portable Select Access...

1 Answer

I have a 5400D Master lock.I changed the default combanation and hung it on my closet door and approx. two months later it remains there because I forgot the combo.I called Master Lock and was told its...


Master Lock would be thrilled to sell you a new lock. Run through the possible combinations, systematically, until you hit on the correct one. There are 10,000 of them. Shouldn't take any longer than a week.

Oct 26, 2010 | Master Lock 5400d: Portable Select Access...

1 Answer

I've had a masterlock 5400d master lock for half a year and I forgot the password and it contains a special key.


The only way to open your lock is by using the correct combination. There is no other way.

You can either try every possible combination or you will need to contact the manufacturer. But they cannot assist you if the lock does not have a serial number (they recently stopped applying serial numbers for greater security) and they will not assist if the lock is already secured to anything. There are a number of other hurdles as well, click here for details. Given that they state that you will have to wait four to six weeks for an answer, it's going to be far quicker to just try every possible combination.

Sep 21, 2010 | Master Lock 5400d: Portable Select Access...

1 Answer

I lost the combination and can't open it


The only way to open your lock is by using the correct combination: there is no other way.

You can either try every possible combination or you will need to contact the manufacturer. But they cannot assist you if the lock does not have a serial number (they recently stopped applying serial numbers for greater security) and they will not assist if the lock is already secured to anything. There are a number of other hurdles as well, click here for details. Given that they state that you will have to wait four to six weeks for an answer, it's going to be far quicker to just try every possible combination.

Jul 07, 2010 | Master Lock 5400d: Portable Select Access...

1 Answer

I cannot remember the combination for my Master Lockbox. What should I do? I can't find any paperwork on it either.


Hi,
This what I found for you, I hope it helps.
CLICK BELOW
http://www.masterlock.com/faq/pdf/5400D_Instructions_Sheet.pdf

Best of luck,
RSMITH972278
P.S. IF YOU NEED MORE HELP CONTACT ME
P.P.S. PLEASE RATE ME

Oct 16, 2009 | Master Lock 5400d: Portable Select Access...

2 Answers

Problem with Master Lock 5400


You have 10,000 combinations to go through. Best to cut if off and bring it some place comfortable to try out all of the combinations from 0000 to 9999. Or take it to a machine ship and have someone grind the thing open.

Aug 09, 2008 | Master Lock 5400d: Portable Select Access...

3 Answers

Lock won't open


Have 5400D Master Lock. Know combination, but it will not open. Can someone help me?

Aug 18, 2007 | Master Lock 5400d: Portable Select Access...

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