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Simple Guide To Change Honeywell System Code

While burglary and home break-ins in the USA are experiencing a decline, they still occur quite frequently. In fact, a break-in takes place every 13 seconds in the country. While living in a safe neighborhood can help, sometimes you will need an extra line of defense. We are talking about a home security system to protect your home and family. Just shy of 40% of American households have a home security product of some kind.

Of course, if you are going to use them, it’s a good idea to learn more about Honeywell Security System and how they work. One of the most important things to know is how to set and change the system codes in these security systems. Without this knowledge, you may not be able to fully access or use the system.

With that in mind, let’s go over a simple guide on how to change system codes on a Honeywell security system.

What are System Codes?


Before we look at how we change system codes, we need to make sure you know what they are. A system code is a password that allows access to different menus on the security system. These codes also help certain functions such as arming or disarming the device. These codes are used to make sure that only those authorized are allowed access to the system. Certain parts of the system can often be restricted, too.

When it comes to system codes, there are a few of them that you should be aware of. First, the Master Code. This is the main code that is responsible for arming the system, adding users, and a variety of other things. There is also an Installer Code, which is what is used to actually make programming-related changes on the system. Other codes include User Codes, Guest Codes, Duress Codes and others.

Now that you know a few of the different types of system codes, we can finally go over how these codes can easily be changed.

How to Change the Master Code?

The Master Code is incredibly important for numerous security functions and thankfully, it is quite easy to change. The first step to changing the code is knowing and entering the current code. This could be the Master Code you have previously selected, or the default code of 1234. Once the code is entered, press the 8 key. Then, press 02. Now is the time to enter a new 4-digit Master Code, and then re-enter the code to confirm it. As you can see, it is quite simple and quick.

When you change the Master Code, it should be something fairly easy for you to remember, while being hard for others to guess. There are thousands of possible combinations, so take your time when it comes to choosing the right one.

How to Change the Installer Code?

Another code that can be changed if need be is the Installer Code. However, changing the code isn’t necessary if you don’t want to. Keeping the code at the default (which is 4112) won’t pose any security risk, as the code can’t be used to arm the system and is only used for adjusting certain settings within the system.

But if you do want to change it, it can be done. Of course, you’ll need the current Installer Code for this to be done. Simply go to the Tools menu under Security, enter the Installer Code, hit Program, and then Installer Code. This will let you enter your own Installer Code and then confirm that the change was successful.

If you don’t know the Installer Code, it can be reset, as well. After unplugging and plugging back in the transformer, you need to hit both * and # at the same time. This will bring up an Installer 20 screen. Once you press *20, you will be able to enter in a new Installer Code.

In conclusion, we hope this article was able to help you learn how to change system codes on a Honeywell security system.