Teledyne 6200A Manual page 30

TAI Model 6200A SO
8 MAINTENANCE ........................................................................................8-1
8.1 M
AINTENANCE
8.2 R
EPLACING THE
8.3 R
EPLACING THE
8.4 R
EPLACING THE
8.5 C O
LEANING RIFICE AND
8.6 C
LEANING THE
8.7 P L
NEUMATIC INE
8.8 L C P
EAK HECK
8.9 L L C
IGHT EAK HECK
8.10 EPROM R
EPLACEMENT
9 DIAGNOSTIC, TROUBLESHOOTING......................................................9-1
9.1 O V
PERATION ERIFICATION
9.1.1 Fault Diagnosis with TEST Variables................................................................. 9-3
9.1.2 Fault Diagnosis with WARNING Messages ....................................................... 9-9
9.1.3 Fault Diagnosis using DIAGNOSTIC Mode ..................................................... 9-11
9.1.4 6200A Internal Variables ................................................................................. 9-18
9.1.5 Test Channel Analog Output ........................................................................... 9-20
9.1.6 Factory Calibration Procedure (Quick Cal) ...................................................... 9-21
9.2 P
ERFORMANCE
9.2.1 AC Power Check ............................................................................................. 9-23
9.2.2 Flow Check ...................................................................................................... 9-24
9.2.3 No Response to Sample Gas .......................................................................... 9-24
9.2.4 Negative Concentration Display....................................................................... 9-25
9.2.5 Excessive Noise .............................................................................................. 9-25
9.2.6 Unstable Span ................................................................................................. 9-26
9.2.7 Unstable Zero .................................................................................................. 9-27
9.2.8 Inability to Span ............................................................................................... 9-27
9.2.9 Inability to Zero ................................................................................................ 9-28
9.2.10 Non-Linear Response.................................................................................... 9-28
9.2.11 Slow Response.............................................................................................. 9-29
9.2.12 Analog Output Doesn't Agree With Display Concentration ............................ 9-29
9.3 E S
LECTRONIC
9.3.1 Computer, Display, Keyboard.......................................................................... 9-30
9.3.2 RS-232 Communications................................................................................. 9-33
9.3.3 Voltage/Frequency (V/F) Board ....................................................................... 9-36
9.3.4 Status/Temp Board.......................................................................................... 9-42
9.3.5 Power Supply Module...................................................................................... 9-45
9.3.6 Flow/Pressure Sensor ..................................................................................... 9-49
9.3.7 Reaction Cell Temp ......................................................................................... 9-53
9.3.8 Preamp Board ................................................................................................. 9-53
9.3.9 PMT Cooler ..................................................................................................... 9-53
9.3.10 HVPS (High Voltage Power Supply) .............................................................. 9-56
Analyzer Operator Manual, 02164, Rev. G
2
S ........................................................................................... 8-1
CHEDULE
S P
AMPLE ARTICULATE
P T
ERMEATION UBE
IZS Z A S
ERO IR CRUBBER
O F
RIFICE ILTER
R C ................................................................................... 8-6
EACTION ELL
I ...................................................................................... 8-6
NSPECTION
.......................................................................................... 8-9
ROCEDURE
P ............................................................................... 8-10
ROCEDURE
P
ROCEDURE
- 6200A D
P ....................................................................................... 9-23
ROBLEMS
T
UBSYSTEM ROUBLESHOOTING AND
F ............................................................. 8-2
ILTER
( )............................................................... 8-4
OPTION
( )..................................................... 8-4
OPTION
...................................................................... 8-5
..................................................................... 8-10
T
IAGNOSTIC ECHNIQUES
A
DJUSTMENTS
iii
...................................... 9-3
............................... 9-30