Fire detector is the automatic fire alarm system, the scene of the detection, the discovery of fire equipment. A fire detector is the "sensory organ" of the system, which monitors the environment for fires. Once there is a fire, the characteristic physical amount of the fire, such as temperature, smoke, gas and radiation, etc. are converted into electrical signals, and immediate action sends an alarm signal to the fire alarm controller. But in daily use can not avoid failure, so, fire detector common fault and treatment methods?
Common faults of fire detectors are:
(1) Fault phenomenon: fire alarm controller issued a fault alarm, fault indicator light, printer printing detector fault type, time, location and so on.
(2) The cause of the fault: detector and base off, poor contact, alarm bus and base contact poor, alarm bus open or poor ground performance caused by short circuit, detector itself damaged, detector interface board fault.
(3) The method of elimination: re-tighten ingest the detector or increase the contact area of the base and the probe reed, re-crimp the bus so that it has good contact with the base, find out the faulty bus position, replace it, replace the detector, repair or replace the interface board.