A functioning fire alarm system (FAS) is important for safety in buildings. But what should you do if there is a fault in the fire alarm system? This article shows the most common causes, explains the correct behavior and shows how specialist companies can help to rectify the problem.
Causes: Faults in fire alarm systems

There are many reasons for faults in fire alarm systems. The most common problems include
- Soiling or damage to the fire detectors
- Power failures or voltage fluctuations
- Defective components such as cables, control panel or power supply unit
- Programming or configuration errors
- Electromagnetic interference
- Environmental influences such as dust, humidity or temperature
These faults can have technical, personnel or organizational causes. Inadequately trained operating personnel or deficiencies in maintenance and servicing can also lead to problems.
BMA fault, what to do?
In the event of a fire alarm system fault, calm and caution are required. First of all, the message at the control panel should be analyzed in detail. It is advisable to check the affected area to narrow down the cause. The following steps are important:
- Visual inspection of the detectors for obvious damage or soiling
- Check for possible environmental influences such as dust, humidity or temperature
- Document all observations in the operating log
If the faults cannot be rectified independently, the responsible specialist company must be informed immediately.

Professional support from specialist companies

Complex faults in fire alarm systems require specialist expertise. A specialist service company can precisely analyze the causes and develop suitable solutions. The specialist company's tasks include
- In-depth fault diagnosis by reading out the fault memory
- Systematic inspection of all components
- Elimination of technical defects through repair or replacement
- Adaptation of programming and configuration
- Professional cleaning and readjustment of the fire detectors
- Documentation of the measures carried out
The experts restore the full functionality of the fire alarm system with professional troubleshooting.
Prevention is the best protection
Regular maintenance and servicing are essential to avoid malfunctions as far as possible. In accordance with the manufacturer's specifications, quarterly inspections should be carried out by trained personnel and annual maintenance by a specialist company. The inspections include
- Visual inspection and cleaning of the fire detectors
- Checking the power supply
- Function test of the entire system
- Updating of programming and configuration
Our experts support you nationwide with the maintenance of fire alarm systems. In the event of a fire alarm system fault, our service technicians will help you to get the system up and running again quickly.
