Safe International Digital Electronic Safe Lockbox Gun Jewelry Lock Box Tool "elsafe code" Questions

...elsafe and the code wont open it up what can I do short of taking a sledge hammer to it? i have an elsafe safe and i need a over ride key to open it,it goes through a hole in the side of the ...

...elsafe s30-705 and when I changed the batteries it now only displays "ser" when I try to enter the 4 digit code. How do I resolve this problem? i unplugged my safe now it says SER and it wont respond ...