Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 13)

IM 1M12A01-03E
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11. Inspection and Maintenance .................................................................................... 11-1
11.1 Inspection and Maintenance of the Detector ................................................ 11-2
11.1.1 Cleaning the Calibration Gas Tube ....................................................... 11-2
11.1.2 Replacing the Sensor Assembly ............................................................ 11-3
11.1.3 Replacement of the Heater Unit .......................................................... 11-5
11.1.4 Replacement of O-ring .......................................................................... 11-8
11.1.5 Stopping and Re-starting Operation ........................................................ 11-8
11.2 Inspection and Maintenance of the Converter .............................................. 11-9
11.2.1 Replacing Fuses ..................................................................................... 11-9
11.2.2 Cleaning ............................................................................................... 11-10
11.2.3 Adjust LCD screen contrast ................................................................ 11-10
11.3 Replacing Flowmeter in ZR40H Autocalibration Unit .............................. 11-11
12. Troubleshooting ......................................................................................................... 12-1
12.1 Displays and Measures to Take When Errors Occur ................................... 12-1
12.1.1 What is an Error? .................................................................................. 12-1
12.1.2 Measures to Take When an Error Occurs ............................................. 12-2
12.2 Displays and Measures to Take When Alarms are Generated ..................... 12-5
12.2.1 What is an Alarm? ................................................................................. 12-5
12.2.2 Measures Taken When Alarms are Generated .................................. 12-7
12.3 Countermeasures When Measured Value Shows Error ............................. 12-13
12.3.1 Measured Value Higher Than True Value .......................................... 12-13
12.3.2 Measured Value Lower Than True Value .......................................... 12-14
12.3.3 Measurements Sometimes Show Abnormal Values ........................... 12-14
Customer Maintenance Parts List ................................................ CMPL 11M12A01-03E
Customer Maintenance Parts List ................................................ CMPL 11M12C01-01E
Customer Maintenance Parts List ................................................ CMPL 11M12A01-11E
Customer Maintenance Parts List .................................................... CMPL 11M3D1-01E
Revision Record .................................................................................................................... i