西门子U23分析仪故障维修（中英文对照）
fault message(故障信息) possible causes(可能的原因) remedy(补救办法)
flow too low during measuring (在测量流量太低)
1:sample gas blocked or leaky(样品气堵塞或泄漏)
A:clean or replace the blocked parts(hose filter etc) if the problem is still present(清洁或更换堵塞的配件（软管过滤器等）如果问题仍然存在)
2:pump not running(泵没有运行)
A:switch the pump on(开关泵)
B:pump capacity too low(泵的容量太低)
C:increase the pump capacity as described in section(提高泵的容量中所描述的部分)
D:pump faulty(泵故障)
no data for temperature compensation(没有数据进行温度补偿)
1:temperature compensation not completed successfully(温度补偿没有成功完成)
2:new components have been loaded(新的组件被加载)
3:EEPROM has been initialized(EE PROM已初始化)flow too low during autocal(在autocal流量太低)
A:cal gas path blocked or leaky(校准气路堵塞或泄漏）
B: clean or replace the blocked parts (hose filter etc) if the problem is still present(清洁或更换堵塞的配件（软管过滤器等）如果问题仍然存在)
conc of O2 too low during autocal (浓度的氧气在autocal太低)
1:O2 sensor faulty or old(氧传感器的故障或老化)
A:replace the O2 sensor as described in section(更换氧传感器中描述的部分)meas value display( 测量值显示)
2：O2 sensor zero not calibrated（氧传感器的零点未校准）
calibrate the zero of the o2 sensor as described in section(校准零的氧气传感器中描述的部分)fault at analog output(故障模拟输出)
A:component could not be initialized when switching on(组件无法初始化时开关)
B:limits were violated when calibrating the analog section(限制受到侵犯时，校准模拟部分)general fault of all ir channels mv-c1/2/3 1:chopper faulty(斩波器故障)beyond tolerance(一般故障的红外通道mv-c1 / 2 / 3超出公差)
IR source faulty(红外源错误)fault of addresses for ir channels(故障红外通道地址)
1:plug-in jumper on detector for detection of components not ok(插件在探测器检测元件不好)
2:the cable of the detector has no contact(电缆探测器没有接触)
A:check that the plug is correctly connected to the detector (the plug must latch in twice)(检查插头是否正确连接到探测器（插头锁在两次）)
B:cable of detector faulty(电缆故障探测器)meas value channel 1 beyond tolerance(测量值超出公差1频道)
analyzer section of first component is faulty(分析仪部分*组件是错误的)meas value display:*****(测量值显示：*****)
meas value o2 beyond tolerance(测量氧气超出公差值)
1:replace the O2 sensor as described in section(更换氧传感器中描述的部分)meas value display:****(测量值显示：* * * *)
2:motherboard faulty(主板故障)mains voltage beyond tolerance(电源电压超出公差)
1:mains voltage varies(电源电压变化)
A:correct such that the mains voltage is within the tolerance values permissible for the analyzer(正确的电源电压范围内允许的公差值分析仪)
power spply unit faulty(供电单元故障)temp of analyzer beyond tolerance(温度超出公差分析)
1:ambient temperature too high or too low(环境温度过高或过低)
A:provide sufficient ventilation or air conditioning(提供充分的通风或空调)
2:temperature sensor of a detector faulty(温度传感器探测器故障)pressure of amb air beyond tolerance(压力的空气超出公差)
A:pressure sensor faulty(压力传感器故障)autocal drift beyond tolerance(autocal漂移超出公差)
西门子U23气体分析仪维修（7MB2335、7MB2337、7MB2338系列）