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Reasons for false alarms of security systems

The indoor and outdoor security system is one of the most common means of protection. For this, special security equipment is installed, with which you can keep order. However, there are times when unforeseen problems arise during its operation. The most common of these is false alarms.

Top causes of false alarms

The correct state of the alarm directly affects the quality of the provided security services. Therefore, its spontaneous operation causes a lot of inconvenience to both the owners of the premises and the security company providing services.

Among the reasons why an alarm can be triggered falsely, the most frequent ones stand out: 

  • the impact of external factors;
  • damage to the loop;
  • breakdowns of individual devices that are part of the alarm;
  • mistakes made during the design or installation of the system;
  • electromagnetic interference; 
  • some design features of the sensors.

If the problem of false triggering of the device system occurs due to an alarm loop, then this failure may be due to an unstable electrical contact. Such a problem often arises if the loop was initially installed in bad faith or the electrical resistance at the contacts increased. Electrical resistance, as a rule, increases due to oxidation of the contacts or weakening of their connection.

Sometime the device is installed without observing regulatory documents and installation rules. The operation of the device can also malfunction due to the influence of external factors - pets and birds, as well as other extraneous influences to which the sensor reacts.

The correct operation is also affected by electromagnetic interference, which can come from various devices with electrical mechanisms. It is almost impossible to predict such interference during installation, therefore protection against them is provided at the development stage. Also, such interference can be when attackers try to disable the system.

There are cases when errors or inaccuracies are made in the development of the device. This leads to the fact that dust or foreign bodies can enter it, and provoke false alarms.

Technical reasons

Having considered the main reasons for false alarms, it is worth dwelling on technical problems. Indoor alarm systems are often erroneously triggered due to the wrong choice of materials for the installation of systems, their poor quality, or because of the installation project.

The main reason is the loop through which the signal is supplied to the sensor and the main units. If the project is done incorrectly, then the wire is laid with many bends. Also, the temperature conditions are not met. This problem is especially present in industrial premises, where the air temperature often rises due to the equipment. If you do not follow the measures of technical operation of the security system, then over time, the loop may stratify and disrupt the operation of contacts. Unsurprisingly, in such cases, a false signal is generated without a clear threat.

In residential areas, false alarms can occur due to poorly trained equipment installation or incorrect configuration. This can be found at the beginning of the use of security nodes. In such cases, you will have to adjust the device manually. During installation, do not touch the equipment with other devices, as this may lead to broken cables and interference.

External causes

Among the reasons for external influences on the operation of security systems: improper installation, voltage drops or exposure to animals or birds. Improper installation near trees and bushes will cause malfunction in strong winds. If one of the sensors in the system fails, then it is necessary to turn off the alarm in emergency mode. The most common false alarm is the response of motion sensors. They can be triggered by a wind stream, a pet, or an object falling spontaneously.

Thus, the correct action for the above reasons would be to contact experienced specialists to diagnose and correct the operation of the device.

 



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