Changing the combination code of a Stack-On gun safe is not a direct process. One has to follow a sequence of steps in order to change the combination code of the safe.. The following are the two main procedures used to reset Stack-On gun safes depending on the type of lock on the safe. Procedure #1. Input the correct combination code to.. Locate the Reset Button: Most Stack-On electronic safes have a reset button located either on the inside of the safe door (near the hinges or battery compartment) or on the back of the keypad itself. Open the Safe (If Possible): If you remember the current code, open the safe using it.
Press the reset button: Once inside, press the button to reset Honeywell code safe. Enter a new code: Follow the instructions in your manual to set a new code. Lock and test: Make sure to lock and test the new code to confirm the reset. How to Reset a Stack-On Safe Code. Stack-On Safes are commonly used for firearm storage.. 7 Steps on How to Reset Stack on Safe Code Step 1: Locate the Red Reset Button. The first step in resetting your safe code is to locate the red reset button. This button is typically found inside the door of the safe, behind the locking mechanism.