Agilent Technologies 6890 Plus User Manual

Index
Jun 2001 11 of 16
Index
Agilent 6890 Gas Chromatograph Service Manual
Connectors, 1210-12
INET connectors, 1210-12
IPB, 1360-9, 1360-15
MIO board defective, 850-18
MIO card
Installation
,430-7
Removal, 430-4, 430-23
Modem
Cable
, 1020-9
Communication with 6890 GC, 1010-5
Modem cables
24540-80012
, 1010-5
G1530-61120, 1010-5
Modular Input/Output card See MIO card
Module
Valve leaks
, 240-43
Moisture trap description,520-8
Molecular sieve trap description,520-8
Motor
Oven fan replacement
, 420-15
Oven flap replacement, 420-17
Multiposition valve, 820-7
Mux ADC offset value, 850-14
N
Nitrogen for cryogenic cooling, 520-12
Nitrogen Phosphorus Detector (NPD), 1320-10
Nitrogen PhosphorusDetector See NPD
Nitrogen-Phosphorus Detector
, 520-1, 520-2
Nitrogen-phosphorus detector
bead voltage
, 320-4
carrier and makeup flows, 320-5
equilibration time, 320-4
hardware problems, 320-7
hydrogen off, 320-4
jets, 320-5
solvent peak
turning hydrogen off
, 320-4
Nitrogen-Phosphorus Detector (NPD)
Manifold Assembly
, 1320-12
No 512Hz Interrupt, 860-1
No line interrupt, 850-13
No mux ADC response,850-14
Non-Agilent PC
Communication with 6890 GC
, 1010-4, 1015-4
NonEPC inlet, gas recommendations, 520-1, 520-2,
520-4
NPD
Active element replacement
,320-13
Bead replacement, 320-13
Cleaning,320-30
Collector replacement,320-16
Collector, cleaning, 320-30
Detector replacement, 320-10
Electrometer replacement, 320-19
Flow manifold replacement, 320-20
Interface board replacement, 320-28
Jet replacement,320-18
Jet, cleaning, 320-31
Theory of operation, 320-1
O
Operating instructions
Split mode
, 250-1
Splitless mode, 250-2
Oven
Cryo circuitry
, 1220-7
Fan motor replacement,420-15
Fan replacement, 420-14
Fast rates,420-1
Flap motor replacement, 420-17
Heater fuses, 1230-2, 1230-4
Heater shroud, 1230-3
IPB, 1340-2
Power requirements, 510-5
Ramp rates, 420-1
Sensor replacement,420-13
Temperature troubleshooting,420-3
Oven exhaust deflector, 510-2
Oven flapper
Circuitry diagram
, 1220-7
IPB, 1340-4
Oven heater, testing resistance, 1230-9
Oven sensor missing,830-1
Oven shroud
Replacement
,420-10
Sensor replacement,420-13
Oven temp,820-1
Sensor, 850-9
Too cool, 850-9

Agilent Technologies 6890 Plus Specifications

General

Brand	Agilent Technologies
Model	6890 Plus
Category	Laboratory Equipment
Language	English