Teledyne 200AU 9 TROUBLESHOOTING, ADJUSTMENTS .................................................... 9-1

Teledyne API Model 200AU NOX Analyzer Instruction Manual, 02293, Rev. F

7.6.5 Dynamic Multipoint Calibration Procedure...........................................................7-16

7.6.6 Moly Converter Efficiency....................................................................................7-23

7.6.7 Calibration Frequency .........................................................................................7-25

7.6.8 Other Quality Assurance Procedures..................................................................7-25

7.6.9 Summary of Quality Assurance Checks..............................................................7-27

7.6.10 ZERO and SPAN Checks..................................................................................7-29

7.6.11 Recommended Standards for Establishing Traceability ....................................7-30

7.6.12 Certification Procedures of Working Standards.................................................7-31

7.7 CALIBRATION OF INDEPENDENT RANGES OR AUTORANGING.............................................7-32

7.7.1 Zero Calibration with AutoRange or Independent Range ....................................7-32

7.7.2 Span Calibration with AutoRange or Independent Range ...................................7-33

7.8 CALIBRATION QUALITY..................................................................................................7-33

7.9 REFERENCES...............................................................................................................7-35

8 MAINTENANCE ...........................................................................................8-1

8.1 MAINTENANCE SCHEDULE...............................................................................................8-1

8.2 REPLACING THE SAMPLE PARTICULATE FILTER.................................................................8-3

8.3 SAMPLE PUMP MAINTENANCE..........................................................................................8-5

8.4 CLEANING THE REACTION CELL .......................................................................................8-7

8.5 REPLACING THE MOLYBDENUM CONVERTER.....................................................................8-9

8.6 PNEUMATIC LINE INSPECTION........................................................................................8-11

8.7 LEAK CHECK PROCEDURE.............................................................................................8-15

8.8 LIGHT LEAK CHECK PROCEDURE ...................................................................................8-16

8.9 PROM REPLACEMENT PROCEDURE................................................................................8-16

9 TROUBLESHOOTING, ADJUSTMENTS .................................................... 9-1

9.1 OPERATION VERIFICATION-M200AU DIAGNOSTIC TECHNIQUES.........................................9-3

9.1.1 Fault Diagnosis with TEST Variables ....................................................................9-3

9.1.2 Fault Diagnosis with WARNING Messages...........................................................9-8

9.1.3 Fault Diagnosis using DIAGNOSTIC Mode.........................................................9-11

9.1.4 M200AU Internal Variables..................................................................................9-19

9.1.5 Test Channel Analog Output ...............................................................................9-21

9.1.6 Factory Calibration Procedure.............................................................................9-23

9.2 PERFORMANCE PROBLEMS............................................................................................9-26

9.2.1 AC Power Check.................................................................................................9-26

9.2.2 Flow Check..........................................................................................................9-27

9.2.3 No Response to Sample Gas..............................................................................9-27

9.2.4 Negative Output...................................................................................................9-28

9.2.5 Excessive Noise..................................................................................................9-28

9.2.6 Unstable Span.....................................................................................................9-29

9.2.7 Unstable Zero......................................................................................................9-30

9.2.8 Inability to Span...................................................................................................9-30

9.2.9 Inability to Zero....................................................................................................9-31