Questions & Answers for: masterlock lock box

...their website here for further information - http://www.masterlock.com/customerservice/ If the lock has been forced or tampered with to cause this problem, then a replacement is needed. Hope this ...

my keys are locked in my box. i think the combination reset itself. i cant get it open. http://www.masterlock.com/faq/lostcombo.shtml

...code How do I reset the code?The box is open and I need to reset the code so that I can use the lockbox. Download the pdf at this link: ...

that you really need, You will now need to drill out the combinations piece by piece and the door will pop open or send the lock back to Masterlock. They will retrieve the key for you and send it back

...lock back to Masterlock. They will retrieve the key for you and send it back. You don't need to do it on your own because maybe you can do a lot mess. You just need to visit the website locksmith in ...

LOST COMBO TO MASTERLOCK BOX Contact Master Lock with proof of ownership for information.

how to open masterlock 5401D when I forgot to release the reset button before closing the box door have you solved this problem yet ? Does anyone have a solution for this ?

...Lock https://www.masterlock.com > Support Q: How do I set or reset a Master Lock combination padlock that has a ... Q: How do I change the combination on a Set-Your-Own combination lock model #643D? ...