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

1 Answer

Resetting the combination

A friend just gave me this type of lock but couldn't remember the combo. I see a reset button but I haven't been able to get it to do anything. Any suggestions??

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  • 2 more comments 
  • Anonymous Jan 20, 2008

    Reset lever seems jammed. Tried pushing in pin just below but it does not help. Do not know the combination. Box is locked in open position but useless until I can reset combination.

  • Terry Arnobit Jr May 14, 2008

    somebody else opened the lock and hit the reset and i dont know what the setting was so i can't open the lock

  • Anonymous Jun 30, 2008

    I am a realtor and I forgot my code>>> I really need to use this tho!!!!

    Thank you so much if you can help me asap!!!!!!

  • romaopala Aug 22, 2008

    The lock is open, however i forgot the combination, and can not close it



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1 Answer

The reset works when the current correct combination is set on the front. If you forgot the combination, you can go to the www.masterlock.com and download a PDF to request a combination from the factory to open it. It requires a notarized form & takes 6+ weeks. In the end, it is probably easier to buy a new one. When resetting the combo, I accidently scrambled it as I flipped it over. And did not know the combo. The reset button would not work. I did some guess work around the setting and got it to release again.

Posted on Feb 19, 2008

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Posted on Jan 02, 2017

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To set your own combination
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Post. (Figure 1)
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