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How to Bypass a DSC Alarm System

This article is a collaborative effort, crafted and edited by a team of dedicated professionals.

Contributors: Muhammad Baballe Ahmad, Mehmet Cavas, Sudhir Chitnis, and Zhen-ya Liu.

✓ Verified & Tested Information

A home security system is a great way to deter burglars, but what do you do when it starts going off for no reason? Here’s how to bypass a DSC alarm system .

Understand the Basics

Bypassing a DSC alarm system is a complicated process, so it’s important to have a good understanding of the basics first. This includes knowing what type of alarm system you’re working with, the procedure for entering codes, and the various components of the system. Additionally, it’s important to know basic troubleshooting techniques in case something goes wrong. With this knowledge, you’ll be able to bypass the alarm system without any issues.

Learn about the components of a DSC alarm system

When planning to bypass a DSC alarm system, it is important to understand the various components of such systems and how they work together. Each DSC Alarm System is made up of several components that must be integrated for it to function properly.

The main component in a DSC alarm system is the panel or control box. The panel houses the system’s operating module, necessary power supplies and other parts, as well as providing connectors for additional devices and accessories. This includes items such as keypads, window and door sensors, motion detectors and more.

Other important parts include sirens and strobe lights, which are used to warn both inhabitants of the premises and potential thieves that an alarm has been triggered; cellular modules that provide third-party monitoring services through an independent communication channel; battery back-up systems; smoke detectors; panic or personal emergency buttons; pet-immune motion detectors; glass break detectors, two-way voice communication systems for live security monitoring; indoor flood sensors, audio surveillance devices and more.

By familiarizing oneself with the components found in a DSC alarm system – from their various functions down to their individual behaviors when triggered – a person can better plan on how best to bypass or disable them without damaging any part of the system.

Familiarize yourself with the different types of sensors

When choosing sensors for your DSC alarm system, it is important to understand the different types of sensors available. Generally, there are three major categories of sensors: motion detectors, door or window contacts and glass break detectors.

Motion Detectors: A motion detector senses movement in its coverage area and will trigger an alarm if movement is detected within the programmed range. Motion detectors are most commonly used to activate alarms when a certain team is breached without any contact with windows or doors.

Door or Window Contacts: Door/window contacts consist of two parts – one part that gets mounted to the door/ window frame and another part that gets mounted to the door/ window itself. These types of sensors use a magnetic field when being opened and closed; when split apart they trigger an alarm to alert monitoring authorities which then contact local law enforcement regarding any suspicious activities.

Glass Break Detectors: Glass break detectors use shock, pressure and sound waves to detect when windows or other glass surfaces are broken near them. These sensors have a particularly sensitive microphone which can recognize even high frequency sound waves that humans cannot hear with their ears. When installed correctly they greatly reduce chances of intrusion from thieves attempting to break through your windows instead of doors or other entryways into your home or business premises.

Identify the System

Before attempting to bypass a DSC alarm system, it is important to identify exactly which type of system is installed. This can be done by looking up the system’s model number or contacting the company that installed the system. The model number will tell you the type of system and its features, which will help you determine the best way to bypass the system.

Determine which type of system you have

If you need to bypass or disable your DSC alarm system, you need to identify which type of system you have. DSC is a company that manufactures and sells several types of security systems and each one requires a specific process for bypassing or disabling. Therefore, it is important to determine which type of DSC security system you have before performing any action directly on the system.

Determining whether your DSC alarm system is wireless or hardwired involves several key steps. First, take a visual inspection of the alarm control panel, located in the entryway, living room or other area of the house where the majority of wires in your system are connected. Check to see if there are any exposed wires tapping into other parts of your home’s wiring such as those associated with windows and doors. If there are no exposed wires connected to other parts of your home, then it is likely that the system is wireless. Other signs that indicate a wireless security system include frequencies devices on doors and windows and a lack of wiring running throughout the house between devices.

On the other hand, if there are visible wires from one or more components in every room then it is likely that you have a hardwired alarm system installed in your home. Check for additional signs such as connecting points for door/window detectors along doors which usually consists with two sets of small terminals – one green and one red – indicating hallways, passageways and entrances throughout your property configured with motion sensors wired into the overall alarm system’s architecture. This type of configuration indicates that you have a hardwired security system installed in your home.

Locate the control panel

The exact location of the control panel can vary, depending on where it was installed. It will often be prominently displayed in a central, easy-to-access location such as a living room or hallway. Occasionally, it will be tucked away in an inconspicuous spot like a closet. The keypad may be wired directly to the control panel, or it may be wireless and powered by batteries. Be sure to inspect your home for any additional keypads or parts of the system before beginning your bypass procedure.

To identify your DSC alarm system and start your bypass process, you’ll first need to locate the primary control panel. Depending on the model, the control panel may have an LED light or status indicator that can help you identify it quickly. It will also have labels printed on its surface that include important details about its use and compatible accessories. Once you have identified the primary control panel of your DSC alarm system, you can successfully start bypassing it!

Bypass the System

In some cases, it’s necessary to bypass a DSC alarm system. This could be done for a variety of reasons, such as when a homeowner wants to add a new device to the system or when there is a problem with the system that needs to be addressed. Knowing how to bypass the system can help you troubleshoot and get the system back up and running quickly. Let’s take a look at the specifics of bypassing the system.

Disable the sensors

One of the most important steps in disabling a DSC alarm system is to understand how the sensors function. All sensors used in this type of system use open or closed circuits, which can be easily bypassed. To do this, locate the wires connected to each sensor and disconnect them from the DSC power adapter. This will effectively break the circuit and disable that particular sensor. Depending on the type of sensors used, you may also need to use a resistor or capacitor to complete this step. If you are unsure of how these components should be installed, it is best to contact an experienced professional for assistance.

Remove the batteries

Removing the batteries is a quick and easy way to bypass a DSC alarm system without compromising the system in any way. Many alarm systems come with batteries to use in case of a power outage. Disconnecting the batteries will cause the system to be temporarily disabled.

To remove the batteries, switch off all devices in range of the alarm panel and make sure that it is completely powered down. The battery compartment should be located somewhere near or on top of your control panel; open it and carefully remove all batteries. After doing this, you should see your control panel light start to blink at intervals – this indicates that the system has been successfully bypassed. Reinstall the batteries once you’ve finished the bypass process and return power to other devices in the vicinity, if needed.

Disconnect the power source

One of the most effective and reliable ways to bypass your DSC alarm system is to disconnect the power source. Most alarm systems use only a few wires (2-4) and all make contact with the main power supply. By disconnecting this power supply, you can effectively disable your alarm without affecting other parts of your home’s wiring system. Before doing so, make sure to have a backup power source that includes both a battery and an AC adapter in case of an emergency or blackout.

To remove the AC adapter from the wall, first locate the wall-mount outlet that supplies power to your alarm system then unplug it from the wall. Be sure not to remove any other wires – just unplug the AC adapter from its base before safely storing it in a secure place until you are ready to restore power. After disconnecting the AC adapter, locate the main battery for your system (usually located behind one of two access panels). Once both have been removed, all remaining doors and windows should be disengaged and any system control pad should be bypassed to ensure that your security system will not still be active while disconnected from its main power source.

Test the System

Testing the system is an important first step when attempting to bypass a DSC alarm system. Before you start making modifications, it is important to make sure the system is working correctly. You can do this by putting the system in ‘test mode’. In this mode, the system will still sound alarms when triggered, but it will also display the code on a keypad. This will be invaluable if you need to troubleshoot any issues.

Activate the sensors

Once you have found a place to test the system, you will want to ensure that all the sensors and detection devices are active and working correctly. To do this, manually activate each device in turn by pressing the “test” button on the control panel. This action will trigger individual sensors throughout your house and generate three different tones.

The first tone is a single ‘beep beep’ sound to indicate that a sensor has been activated and is communicating with your control panel. The second tone, which may be two or three tones in succession, indicates that both wires on the sensor are working properly. The third tone is an error sound or ‘double-tee’ which lets you know that there is an issue with either one of the wires connected to the sensor or with its power supply. If the third sound is heard please investigate further and check that physical connections have not become dislodged or corroded over time before testing again.

Check for any false alarms

Testing an alarm system can help ensure that it’s working properly and can also help identify any false alarms. All alarm systems must have sensors installed, whether they are wired or wireless. Wired sensors typically need to be hardwired into the alarm system’s control panel, while wireless sensors are placed around the premises and use a radio frequency link to communicate with the control panel. Once you have ensured that all the sensors have been installed properly, it is time to test the system out.

Here are some steps on how to test your DSC Alarm System for false alarms:
1. Check all outside doors and windows to make sure that each one is closed and locked securely.
2. Press the ‘TEST’ button located on the top right-hand corner of your control panel once per second for at least 10 seconds to arm your system in Away mode – this will trigger any hardwired sensors or send signals to your wireless ones if applicable.
3. Check each sensor one by one (if applicable) such as motion detectors as well as door contacts by opening and closing relevant doors/windows/ walls etc., near them but not enough for them actually being triggered – this should only evoke notifications on your control panel rather than actual sirens/alarms going off signaling a false alarm had been triggered momentarily which can be successfully bypassed
4. Lastly, unarm your DSC Alarm System and verify all notifications sent by checking your overall security status from within the programmed main menu in order to confirm that no actual alarm had been triggered throughout testing ensuring no unwanted consequences!


Your DSC alarm system might be malfunctioning and need troubleshooting to get it working properly again. As a first step, check the backup battery in the alarm system for any aberrations. Make sure the connections are properly secured and the voltage is within the required range. If all seems okay, it’s time to look at some of the other possibilities.

Check the wiring

When troubleshooting a DSC alarm system, one of the first things to check is the wiring. Check any connections directly to the circuit board as well as in all keypad locations, as loose connections can cause many errors and false alarms. You should also inspect any wire splices, terminals and devices on a regular basis. If something looks suspicious, it should be replaced.

If any wires have been pulled out or cut, you will likely need to use a continuity tester to describe your wiring configuration. If you are unsure of how to do this or don’t have the right tools, it would be best to contact a professional and have them inspect your system further before continuing with the troubleshooting steps.

Wiring issues can sometimes happen when making adjustments or repairs yourself, so be sure to check all connections if anything changes with your setup; incorrect wiring could be an easy fix but could also lead to other more serious faults if not addressed properly.

Check the sensors

When troubleshooting a DSC alarm system, begin by checking the sensors. Each sensor should be checked to make sure that it is securely in place and properly connected. Loose or disconnected wiring can impede the system’s ability to detect an intrusion. The reliability of each sensor should also be tested to ensure that it registers temperature changes accurately and within expected parameters. It is important to note that motion detectors will pick up heat sources as well as movement, so areas with excessive sun exposure or radiators may require additional sensors for accurate performance. If the problem persists, the alarm panel may need to be reset or replaced altogether.

Check the control panel

One of the first steps to troubleshoot a DSC alarm system is to check the control panel. This system can be found in close proximity to your door, with a keypad near the entry for entering codes for additional security. The control panel will have multiple lights, giving an indication of what type of alarms have been triggered.

In some cases, it may be possible to reset your system by simply pressing the “Reset” button on the control panel. Consult your owners manual or consult with an expert if you’re unsure exactly how this will work with your particular security system model. It is not recommended that you attempt any further troubleshooting without the assistance of a professional.

If a reset has not resolved the issue, then it is necessary to inspect all components of your system such as motion and door/window sensors throughout your home or business as well as ensure all necessary wiring connections are securely connected. If all appears secure and there are no errors above, then proceed to check additional settings within the control panel itself. These settings should be consulted from within user manual provided with installation or from technical support from DSC, who should be able to provide further instruction on how best to make sure that each setting is appropriately configured for successful operation and bypassing any possible alarms set in place for unauthorized entry into protected premises.

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