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Teledyne API Model 100AH SO
2
Analyzer Instruction Manual, 02417, Rev. D
9 MAINTENANCE ........................................................................................... 9-1
9.1 M
AINTENANCE
S
CHEDULE
...............................................................................................9-1
9.2 R
EPLACING THE
S
AMPLE
P
ARTICULATE
F
ILTER
.................................................................9-2
9.3 R
EPLACING THE
P
UMP
S
CRUBBER
...................................................................................9-4
9.4 C
LEANING
O
RIFICE AND
O
RIFICE
F
ILTER
...........................................................................9-4
9.5 C
LEANING THE
R
EACTION
C
ELL
.......................................................................................9-5
9.6 P
NEUMATIC
L
INE
I
NSPECTION
..........................................................................................9-5
9.7 L
EAK
C
HECK
P
ROCEDURE
...............................................................................................9-8
9.8 L
IGHT
L
EAK
C
HECK
P
ROCEDURE
.....................................................................................9-9
9.9 EPROM R
EPLACEMENT
P
ROCEDURE
............................................................................9-10
10 DIAGNOSTIC, TROUBLESHOOTING..................................................... 10-1
10.1 O
PERATION
V
ERIFICATION
- M100AH D
IAGNOSTIC
T
ECHNIQUES
...................................10-3
10.1.1 Fault Diagnosis with TEST Variables ................................................................10-3
10.1.2 Fault Diagnosis with WARNING Messages.......................................................10-9
10.1.3 Fault Diagnosis using DIAGNOSTIC Mode .....................................................10-11
10.1.4 M100AH Internal Variables..............................................................................10-18
10.1.5 Test Channel Analog Output ...........................................................................10-20
10.1.6 Factory Calibration Procedure (Quick Cal) ......................................................10-21
10.2 P
ERFORMANCE
P
ROBLEMS
........................................................................................10-23
10.2.1 AC Power Check .............................................................................................10-23
10.2.2 Flow Check......................................................................................................10-24
10.2.3 No Response to Sample Gas ..........................................................................10-24
10.2.4 Negative Concentration Display ......................................................................10-25
10.2.5 Excessive Noise ..............................................................................................10-25
10.2.6 Unstable Span .................................................................................................10-26
10.2.7 Unstable Zero ..................................................................................................10-26
10.2.8 Inability to Span ...............................................................................................10-27
10.2.9 Inability to Zero ................................................................................................10-27
10.2.10 Non-Linear Response....................................................................................10-28
10.2.11 Slow Response..............................................................................................10-28
10.2.12 Analog Output Doesn't Agree with Display Concentration.............................10-28
10.3 E
LECTRONIC
S
UBSYSTEM
T
ROUBLESHOOTING AND
A
DJUSTMENTS
...............................10-29
10.3.1 Computer, Display, Keyboard..........................................................................10-29
10.3.2 Voltage/Frequency (V/F) Board .......................................................................10-33
10.3.3 Status/Temp Board..........................................................................................10-38
10.3.4 Power Supply Module......................................................................................10-41
10.3.5 Flow/Pressure Sensor .....................................................................................10-45
10.3.6 Reaction Cell Temp .........................................................................................10-49
10.3.7 Preamp Board .................................................................................................10-49
10.3.8 PMT Cooler .....................................................................................................10-50
10.3.9 HVPS (High Voltage Power Supply)................................................................10-52
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