Some combination lock latches won t operate if the code is partially entered.
Master lock key box won t open.
Take your existing key and lock to a hardware store ace true value do it best etc locksmith or other outlet that sells master lock products.
Operate the open lever with some moderate force then push all the buttons until it opens.
If it s jammed up and you can t open it with the code you will most likely have to break it.
Insert the key and work it from side to side while compressing the lock.
This won t work on most master locks and will likely disable the lock so it cannot even be opened with the proper key.
Give it a couple more taps with the hammer.
This new decode method was released at cackalackycon and layer8.
An oak city locksport member figured out a way to decode the 5422 23d key box.
Operating the master lock 5420d universal lock box learn to operate set your own combination and install the 5420d universal lock box.
Ask them to order the product with the same key number that is on your key.
I would say break it open and get your keys out they are harder to replace than the lockbox.
With combination locks keep rolling the numbered tumblers around and around and then set them on the proper combination and try to open.
A drill should go right through the center of the lock where the mechanism is.
There s no way we could bypass the lock if the lock mechanism won t work.
The master lock safespace lock boxes provide secure storage of keys or access cards in a convenient location for regular use.
Try entering the code on the open box before attempting to close the lock box.
Posted by mitheral at 11 33 pm on september 5 2017 2 favorites this is the first time i ve used the lock box first time i ve looked after this neighbour s cat.
In some cases the manufacturer of the lock box may be able to send a locksmith who will be able to open the lock.
Try an electric drill.
It may be possible to order products that can be opened by an existing master lock key.
My lock has a serial number for security and liability reasons master lock will not provide lock combinations in response to phone fax or email requests.
The order of your input does not matter so if 1 2 3 4 opens your lock box then so will 4 3 2 1 1 3 2 4 etc.
How we decode it bypass it literally the same way that a forward thinking 9 year old would decode it.
Before you hire any locksmith however ensure the company is reputable.
And a new lockbox is just 25.
Find a reputable professional locksmith to open the lock box for you.
