20 Most Recent Master Lock 1590D Set-Your-Own Combination Lock, Steel, 1 7/8"Wide, Assorted Questions & Answers

had your looking for a combo, throw it out. no way to find the combo for it. serial only refers to the model of the lock. its like asking for a part for " my ford truck " not enough info.

Master Lock... | Answered on Jan 02, 2013

If you remember the first letter/number you're still in luck. What you need to do is start off with that letter. If you know what you tried to set, ex. ATE

Work with
A, D, E, H, J, L As for the last number/letter, all you have to do is keep spinning it right and you will hit it.

For me, I tried fooling around and setting ALT

However, when I was entering the new combo, I turned 3times or more right when key was in to A, then a full circular left turn past A to L. From L, I turned the same direction 4 clicks to T and locked it. I realized I entered it wrong when I locked it. How these locks were designed isn't that complicated. It consists of 3 different turns. Right, left, right. Right to A, left to L, right to T. When I had entered, right to A, left to L, and left again to T. It automatically makes the second letter/digit the same as your first letter/digit. I cracked my lock trying all combinations of A,L,T. Writing a list helps. But I also suggest your write down a list of your first digit twice.

A, A, L A, L, A
A, L, T A, A, T (That's what my code was after incorrectly trying to set it as "ALT")

However, this is only one method. When I had purchased the lock a year ago and set a combination. I approached it with a different method. The first one as I mentioned. I had tried to set EAT to test. The combo ended up being a letter or two off in the combo itself. So my cracked combo was not EAT but something _AT or EA_ or E_T. Combos usually aren't off by a whole lot. I was going to throw my lock away and buy a new one, but I cracked it :) I know this is alot about my own experience, but don't give up! I was planning on solving it, but I did it within 10mins! Not so tough !

Master Lock... | Answered on Sep 04, 2011

  • Set your own combination using 3-letters or numbers or a mix of both
  • Combination easy to change with included reset tool
  • Maximum security with anti-shim feature
  • Hardened steel shackle for increased bolt cutter protection
  • High precision dial clicks for fast accurate dialing

Master Lock... | Answered on Aug 16, 2011

Sorry, I don't think there is a remedy, but you could try removing it, and reinstall again.

Master Lock... | Answered on Apr 21, 2011

Hey, Mine did the same thing, this is what I did. I entered "0000" for the pin and was able to reset the unit (0000 is the factory default) It may not work for you, but it's worth a try.

Home Security | Answered 23 hours ago

Changing combinations can be done from the reset button. It exists at the topmost part of the device. To reset - Hold it down for a few seconds until the light indicates green, release and enter your new preferred code. Repeat the procedure until the light goes red and re-enter the new code. Then repeat for a third time until the light gives you five blinks. TO know A depth review about this product You much visit here: Bulldog Cases Car Safe with Key Lock Review

Home Security | Answered Yesterday


Heres a link to a manual I found online! Good Luck!!!

Home Security | Answered on Jan 18, 2021

yes, such a product does exist

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Product description. This wireless driveway alarm system employs advanced infrared motion detection technology. When someone approaches, it sends a signal ...

Safety Driveway Patrol Infrared & Wireless Home Security ...

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Home Security | Answered on Jan 15, 2021

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