西門子U23分析儀故障維修（中英文對照）
fault message(故障信息) possible causes(可能的原因) remedy(補救辦法)
flow too low during measuring (在測量流量太低)
1:sample gas blocked or leaky(樣品氣堵塞或泄漏)
A:clean or replace the blocked parts(hose filter etc) if the problem is still present(清潔或更換堵塞的配件（軟管過濾器等）如果問題仍然存在)
2:pump not running(泵沒有運行)
A:switch the pump on(開關泵)
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(沒有數據進行溫度補償)
1:temperature compensation not completed successfully(溫度補償沒有成功完成)
2:new components have been loaded(新的組件被加載)
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(校準氣路堵塞或泄漏）
B: clean or replace the blocked parts (hose filter etc) if the problem is still present(清潔或更換堵塞的配件（軟管過濾器等）如果問題仍然存在)
conc of O2 too low during autocal (濃度的氧氣在autocal太低)
1:O2 sensor faulty or old(氧傳感器的故障或老化)
A:replace the O2 sensor as described in section(更換氧傳感器中描述的部分)meas value display( 測量值顯示)
2：O2 sensor zero not calibrated（氧傳感器的零點未校準）
calibrate the zero of the o2 sensor as described in section(校準零的氧氣傳感器中描述的部分)fault at analog output(故障模擬輸出)
A:component could not be initialized when switching on(組件無法初始化時開關)
B:limits were violated when calibrating the analog section(限制受到侵犯時，校準模擬部分)general fault of all ir channels mv-c1/2/3 1:chopper faulty(斬波器故障)beyond tolerance(一般故障的紅外通道mv-c1 / 2 / 3超出公差)
IR source faulty(紅外源錯誤)fault of addresses for ir channels(故障紅外通道地址)
1:plug-in jumper on detector for detection of components not ok(插件在探測器檢測元件不好)
2:the cable of the detector has no contact(電纜探測器沒有接觸)
A:check that the plug is correctly connected to the detector (the plug must latch in twice)(檢查插頭是否正確連接到探測器（插頭鎖在兩次）)
B:cable of detector faulty(電纜故障探測器)meas value channel 1 beyond tolerance(測量值超出公差1頻道)
analyzer section of first component is faulty(分析儀部分*組件是錯誤的)meas value display:*****(測量值顯示：*****)
meas value o2 beyond tolerance(測量氧氣超出公差值)
1:replace the O2 sensor as described in section(更換氧傳感器中描述的部分)meas value display:****(測量值顯示：* * * *)
2:motherboard faulty(主板故障)mains voltage beyond tolerance(電源電壓超出公差)
1:mains voltage varies(電源電壓變化)
A:correct such that the mains voltage is within the tolerance values permissible for the analyzer(正確的電源電壓范圍內允許的公差值分析儀)
power spply unit faulty(供電單元故障)temp of analyzer beyond tolerance(溫度超出公差分析)
1:ambient temperature too high or too low(環境溫度過高或過低)
A:provide sufficient ventilation or air conditioning(提供充分的通風或空調)
2:temperature sensor of a detector faulty(溫度傳感器探測器故障)pressure of amb air beyond tolerance(壓力的空氣超出公差)
A:pressure sensor faulty(壓力傳感器故障)autocal drift beyond tolerance(autocal漂移超出公差)
西門子U23氣體分析儀維修（7MB2335、7MB2337、7MB2338系列）