Buy a combination door lock on amazon.
Reset number lock door.
If there isn t a serial number chances are it s designed to be reset.
Once complete the schlage door lock will be completely reset to the original factory settings.
Press the checkmark once and then enter the master code.
First remove the lock from your door following the manufacturer s directions.
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How to change the combination code on a push button keyless combination door lock.
First open the door and lift off the lock s interior cover.
For most electronic keyless door locks you will still have to unlock your door before getting the chance to reset your code to change it into something that you will most likely remember the next time.
Look on the side of the lock to see if there is a small hole where a tool could be inserted.
Press the lock symbol once at the bottom right of the keypad.
Most electronic locks come with two screws that you need to remove from the inner part of the door.
Press the program button once and you should hear your unit beep five times and see its checkmark icon at the keypad s bottom left flash five times.
While this takes a bit of effort resetting the number can help you save the lock and use it again in the future.