Fire alarm system troubleshooting and maintenance

Code for installation and acceptance of fire alarm systems. Welcome to post your country's code of it here.
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vedard
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Joined: Wed Dec 05, 2018 12:27 am

Fire alarm system troubleshooting and maintenance

Post by vedard »

1. Fire alarm system troubleshooting
i)Main power failure.
Check whether the input power supply is in good condition, whether the fuse is burnt out, bad contact, etc.
ii)Backup power failure.
Check whether the charging device and battery are damaged and whether the connection is broken.
iii)Detect loop faults.
Check whether the wiring of the circuit to the fire detector is intact, whether the fire detector has been removed, and whether the terminal monitor is damaged.
iv)False fire alarm.
Investigate the scene of the false alarm fire detector for the presence of steam, dust and other environmental interference affecting the normal operation of the fire detector. If there is interference, try to eliminate it. For the fire detector with frequent false alarms and no other interference should be replaced in time.
If the fault cannot be eliminated within a short period of time, the relevant professional maintenance company should be notified immediately so as to repair and resume normal work as soon as possible.
2. Fire alarm system maintenance
i)Check whether the functions of the alarm controller (such as fire alarm, fault, reset, muffler, etc.) are normal and whether they are in automatic operation mode, and fill in the system operation day record sheet.
ii)Each quarter should test, check the alarm control equipment of relevant systems (such as indoor fire hydrant system, automatic sprinkler system, normally open fire doors, Windows, fire doors, ventilation and air conditioning and smoke control system, emergency lighting and evacuation indicating marking system, the fire power cut off, the elevator landing, etc.) the linkage control and display functions.Carry out 1 ~ 2 discharging tests for the standby power supply and 1 ~ 3 automatic switching tests for the main and standby power supply.
iii)Use special instrument to check and test the function of all fire detectors and fire accident broadcast annually.
iv)Fire detectors should be cleaned every three years after they have been in service for two years.
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