光源系统常见故障

Common faults of light source system

(a)灯光变暗。除光栅遮挡原因外，基本可以确定灯泡已接近使用寿命，可以更换新灯泡。氙气灯泡的使用寿命一般设计为500小时。如果光源系统有一个寿命定时器装置，这个问题就可以轻松解决。

(a) The lights dim. In addition to the grating blocking, it can be basically determined that the bulb is close to its service life and can be replaced with a new bulb. Xenon bulbs are generally designed for a service life of 500 hours. If the light source system has a life timer device, this problem can be easily solved.

(b)开机灯泡不亮。如果排除烧灯泡的原因，那么问题往往出在主机的高压点火电路上，因为开机时，机器会产生几万伏的脉冲高压，并且组件会很快老化。请注意，此时您不能使用万用表检查脉冲高压。

(b) The power on bulb does not work. If the cause of bulb burning is eliminated, the problem often lies in the high-voltage ignition circuit of the host, because when the machine is turned on, it will generate tens of thousands of volts of pulse high voltage, and the components will age quickly. Please note that you cannot use a multimeter to check the pulse high voltage at this time.

人工气腹系统常见故障

Common faults of artificial pneumoperitoneum system

(a)压力显示不正确。这主要是因为气压传感器损坏。如果机器设计为一组多个同时工作的差压传感器，一般当其中一个老化或污染不能工作时，我们应该更换该组中的所有传感器，否则只更换一个，并且其他的将被替换。同组的传感器寿命也接近临界。

(a) The pressure display is incorrect. This is mainly because the air pressure sensor is damaged. If the machine is designed as a group of multiple differential pressure sensors working at the same time, generally when one of them is aged or polluted and cannot work, we should replace all the sensors in the group, otherwise only one of them will be replaced, and the others will be replaced. The sensor life of the same group is also close to critical.

(b)流量不准确。如果气体流量传感器损坏，可以更换。有时流量是通过压差来计算的，此时我们需要更换新的压差传感器。

(b) The flow is not accurate. If the gas flow sensor is damaged, it can be replaced. Sometimes the flow is calculated by the differential pressure. At this time, we need to replace the differential pressure sensor.

(c)设备泄漏。内窥镜设备维修人员认为很多情况下是由于设备密封圈老化造成的。但也有设备机械减压阀泄漏、电磁阀损坏等原因，比较容易判断和维修。

(c) Equipment leakage. The maintenance personnel of endoscope equipment believe that in many cases, it is caused by the aging of equipment sealing ring. However, there are also mechanical pressure reducing valve leakage, solenoid valve damage and other reasons, which are relatively easy to judge and repair.

液体增压系统常见故障

Common faults of liquid pressurization system

(a)蠕动泵损坏。

(a) The peristaltic pump is damaged.

(b)液压传感器损坏。原理与气压传感器基本相同。

(b) The hydraulic sensor is damaged. The principle is basically the same as that of the air pressure sensor.

(c)设备内部电路损坏。

(c) The internal circuit of the equipment is damaged.

电凝切割系统常见故障

Common faults of electrocoagulation cutting system

(a)设备附件损坏。如脚踏开关、负极板线、连接线等常用易损配件。

(a) Equipment accessories are damaged. Such as foot switch, negative plate wire, connecting wire and other common vulnerable accessories.

(b)电切割、凝固、双极故??障。在设备内部，这些部分都由不同的电路模块组成。内窥镜设备维修人员建议我们可以根据其故障现象维修或更换相应的模块电路。

(b) Electric cutting, solidification, bipolar fault?? Obstacles. Inside the equipment, these parts are composed of different circuit modules. The maintenance personnel of endoscope equipment suggest that we can repair or replace the corresponding module circuit according to its fault phenomenon.

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