Aug 21, 2009 · HELP! PLEASE!! okay so i have a master lock, and unfortunately i forgot the code, so i was wondering if there is anyway to change/break open WITHOUT breaking the lock off? the back of the lock says V53 1200173... if that helps THANKS! Manual Codes / Lock Keypad. If you don't have your mobile device, you can unlock your lock by entering the Primary Code, the current Temporary Code or the Backup Master Code on the lock keypad. Enter the code by pressing a series of up/down/left/right directions on the lock's corresponding keypad buttons. There are 3 different manual code types.
The Master Lock SafeSpace® Lock Boxes provide secure storage of keys or access cards in a convenient location for regular use. Operating the Master Lock 5420D Universal Lock Box Learn to operate, set your own combination, and install the 5420D Universal Lock Box.If it's jammed up and you can't open it with the code you will most likely have to break it. There's no way we could bypass the lock if the lock mechanism won't work. I would say break it open and get your keys out, they are harder to replace than the lockbox. And a new lockbox is just $25.
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