4 of 16 Jun 2001
Index
Index
Agilent 6890 Gas Chromatograph Service Manual
Data error, 830-6
Data overrun, 830-6
Computer, 510-5
Computer specifications, 510-5
Computer, non-Agilent
Specifications
,510-5
Configuration
Power
, 1230-1
Valves, 1140-1
Connectors
AC power board
, 1230-5
Analog, 1210-2
BCD, 1210-10, 1215-10
External, 1210-1, 1215-1
GPIB, 1210-11
INET, 1210-12
Main board, 1220-2, 1225-3
Remote, 1210-4, 1215-7
RS-232, 1210-7
Sampler injector or tray, 1210-14
Consumables
Column liners
, 1310-5
Packed column supplies, 1310-18
Cool On-Column inlet
EPC manifold IPB
, 1310-21
EPC manifold replacement, 230-8
Heater/Sensor replacement, 230-7
IPB, 1310-19
Leak points,230-19
Leak test, 230-10
Replacement,230-4
Theory of Operation, 230-1
Cooling requirements, GC, 510-1
Copper tubing recommendations, 520-6
Covers
Automatic Liquid Sampler tray bracket,
removal
,410-11
Injection port fan, removal,410-16
Inlet carrier cover, removal, 410-12
IPB, 1330-1
Removing, 410-3
Cryo assembly
Replacing the CO2 or LN2 inlet
, 240-18
Cryo circuitry diagram, 1220-7
Cryo valve
Installation
,420-5
Replacement,420-7
Cryogenic cooling
Carbon dioxide
, 520-10
Nitrogen, 520-12
Requirements, 520-9
D
DC voltages, Test points, 1220-1
Detector
ECD
, 340-1, 341-1
FID,310-1
Gas recommendations, 520-1, 520-2
NPD, 320-1
TCD, 330-1
Wiring harness, 1240-2
Detector interface board
ECD, Replacement
, 340-16, 341-20
FID, Replacement, 310-20
NPD, Replacement,320-28
TCD, Replacement, 330-21
Diagnostics, 240-38
ECD, 340-17, 341-22
FID,310-22
Shutdown behavior, 240-38
Diagnostics mode, 820-8
Divide by Zero,860-1
DMA FPGA Failure,860-1
DRAM Failure, 860-1
Drivers, valves
Circuitry diagram
, 1220-8
Installation, 1130-5
IPB, 1350-4
Types, 1130-4
Driver, heater, ircuitry diagram, 1220-9
E
ECD
Cleaning
, 340-23, 341-25
Diagnostics, 340-17, 341-22
Flow manifold replacement, 340-11
Frequency test, 340-17, 341-22
Interface board replacement, 340-16, 341-20
Leak test, 340-18, 341-23
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