Teledyne 9110AH - Nitrogen oxides analyzer - Manual (Page 6)

TELEDYNE Model 9110AH NO
X
Analyzer Operator Manual, 01620, Rev. F
v
7.7 C ALIBRATION R EQUIREMENTS FOR A UTO R ANGE OR R EMOTE R ANGE ....................................7-9
7.8 C ALIBRATION R EQUIREMENTS FOR I NDEPENDENT R ANGE ................................................... 7-10
7.9 C ALIBRATION Q UALITY ........................................................................................................ 7-10
7.10 C ONVERTER E FFICIENCY C OMPENSATION ........................................................................ 7-11
7.11 R ECOMMENDATIONS FOR CEM A PPLICATIONS ................................................................. 7-12
7.11.1 Calibration Gasses ................................................................................................. 7-12
7.11.2 Calibration Frequency............................................................................................. 7-13
7.11.3 Converter Efficiency............................................................................................... 7-13
8 MAINTENANCE ....................................................................................8-1
8.1 M AINTENANCE S CHEDULE ......................................................................................................8-1
8.2 R EPLACING THE S AMPLE P ARTICULATE F ILTER ......................................................................8-2
8.3 R EPLACING THE C ONVERTER .................................................................................................8-4
8.4 C LEANING THE R EACTION C ELL .............................................................................................8-6
8.5 P NEUMATIC L INE I NSPECTION ............................................................................................. 8-10
8.6 L EAK C HECK P ROCEDURE .................................................................................................. 8-13
8.7 L IGHT L EAK C HECK P ROCEDURE ........................................................................................ 8-13
8.8 P ROM R EPLACEMENT P ROCEDURE ..................................................................................... 8-14
9 TROUBLESHOOTING AND ADJUSTMENTS .......................................9-1
9.1 O PERATION V ERIFICATION - D IAGNOSTIC T ECHNIQUES ...........................................................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 ............................................................ 9-10
9.1.4 M9110AH Internal Variables .................................................................................... 9-17
9.1.5 Test Channel Analog Output..................................................................................... 9-19
9.1.6 Factory Calibration Procedure ................................................................................. 9-20
9.2 P ERFORMANCE P ROBLEMS ................................................................................................. 9-24
9.2.1 AC Power Check....................................................................................................... 9-24
9.2.2 Flow Check................................................................................................................ 9-25
9.2.3 No Response to Sample Gas .................................................................................. 9-25
9.2.4 Negative Output......................................................................................................... 9-26
9.2.5 Excessive Noise ....................................................................................................... 9-26
9.2.6 Unstable Span........................................................................................................... 9-27
9.2.7 Unstable Zero............................................................................................................ 9-28
9.2.8 Inability to Span ......................................................................................................... 9-28
9.2.9 Inability to Zero .......................................................................................................... 9-28
9.2.10 Non-Linear Response ............................................................................................ 9-29
9.2.11 Slow Response ....................................................................................................... 9-30
9.2.12 Analog Output Doesn't Agree With Display Concentration .................................. 9-30
9.3 S UBSYSTEM T ROUBLESHOOTING AND A DJUSTMENTS ......................................................... 9-31
9.3.1 Computer, Display, Keyboard................................................................................... 9-31
9.3.2 RS-232 Communications ......................................................................................... 9-34