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    可视对讲一般常见故障排除方法

    作者:浙江多麦福网址:www.duomaifu.com人气:发表时间:2017-03-29 10:30

      山东可视对讲系统常见故障排除方法:

      System common troubleshooting method:

      一、主机按键无作用

      One, the host key has no effect

      (1)检查系统电源供电是否正常,所提供的电压、电流能否满足系统要求,正常DC13.4—15V范围内.电源线太细传输距离远,系统负载过大也会造成拉低电压使主机无法正常工作。

      (1) check normal power supply system, provides the voltage and current can meet the system requirements, normal DC13.4-15 v range. The power cord is too thin long transmission distance, the system load is too large can cause lower voltage make host cannot work normally.

      (2)将主机主干线、联网线、视频线拨下,只保留电源线如主机正常则说明主机本身基本正常,请检查其它设备和线路。

      (2) the host trunk line, network line, video dial, only keep the power cord, such as the host shows normal host itself basic normal, please check other devices and wiring.

      (3)测试主机至解码器的各个端口的正常电压和信号,与不正常时的进行比较,采用分段替换方式找出故障点。

      (3) the normal voltage and signal of each port of the test host to the decoder, and compared with the abnormal time, use the stage substitution to find fault points.

      二、主机呼不通任何分机或呼通断线

      No extension of the main engine

      (1)检查主干线各输出端口信号、电压;

      (1) to check the output port signals and voltages of the main line;

      (2)检查主机编码是否正确是否发生有重码现象,特别注意出厂自动对应码与后面修改码发生的重码现象;

      (2) to check whether or not the host encoding is correct or not, and there is a heavy code phenomenon in the case of the automatic corresponding code of the factory.

      (3)检查主干线连接是否正确;

      (3) to check whether the mainline connection is correct;

      (4)线径是否符合系统需求,线材本身有无质量问题;

      (4) if the line size meets the system requirements, the wire itself has no quality problems;

      (5)是否有主设备损坏;

      (5) whether the main equipment is damaged;

      (6)线路长的或远处的分机呼通就断线,能呼通但无对讲很明显为供电不足造成。

      (6) the line length or the distance of the extension of the extension of the line is broken, and it can be called out but not obviously caused by a shortage of power supply.

      三、故障排除方法和要点

      Third, troubleshooting methods and main points

      (1)要排除故障先要对系统充分了解,例如系统工作电压、电流、信号控制方式。各输出端口作用,设置编程,合理配置数量,传输方式、传输距离、传输环境,设备使用坏境、安装标准,接线工艺及与系统配套使用的设备技术要求;

      (1) the first thing to do is to understand the system fully, such as the system's working voltage, current, and signal control. Each output port function, set up the programming, the rational allocation of the number, transport, transport distance, transport environment, equipment use environment, installation standards, connection technology and technical requirements and system supporting the use of equipment;

      (2)合理的故障排除方法,会大大提高维护效率,一般采取分段、分级、替换、缩小范围方式,将故障范围缩小和确定在某一设备上面,让正常的设备使用,再排除故障。

      (2) the reasonable troubleshooting methods, will greatly improve the efficiency of maintenance, commonly adopt the mode of segmentation, classification, replace, narrow scope, the range of fault and determine on a device, for normal use of equipment, and troubleshooting.

      四、与开锁有关的故障

      Four, the failure related to the open lock

      (1)先要检查开锁信号控制方式,电锁本身的工作方式,供电电压、电流、连线是否正确,所选用的电锁和电源是否能配套使用;

      (1) the first thing to check the lock signal control mode, the electric lock itself works, power supply voltage, current, the attachment is correct, chooses the electric lock and the power supply can form a complete set of use;

      (2)检查系统属个别不能开锁或全部不能开锁,整单元不能开锁请检查主干线开锁信号线的电压可分段断开测试直至找到故障点,某层不能开锁请检查该层解码器,可通过替换方式来确定。

      (2) check the system to the individual cannot unlock or all can't unlock, the unit can't unlock, please check the trunk lock line voltage can be segmented disconnect test until you find the fault location, a certain layer cannot unlock please check the decoder, but to determine by way of replacement.

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