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7697A
Troubleshooting
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Agilent Technologies 7697A - Page 14
92 pages
Manual
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14
Agilent 7697A Troubleshooting
1
Concepts and Ge
neral Tasks
•
Press the [
Status
] ke
y t
o display pre
vious Er
ror
, Not
Ready
, and other
messages.
T
o obt
ain service/support cont
act numbers, see the Agilent
We
b
s
i
t
e
a
t
www
.agilent.com/chem
.
13
15
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Concepts and General Tasks
8
Concepts
8
How to Troubleshoot Using this Manual
8
The [Status] Key
8
Error Conditions
9
What Changed
10
Keeping Configuration Settings Current
11
Sample Loop Size
11
Gas Configuration
11
Column Configuration
11
Headspace Sampler Logs
12
The Sequence Log
12
The Event Log
12
The Maintenance Log
12
To View the Event Log, Sequence Log, or Maintenance Log
12
Information Customers Should Provide When Calling Agilent for Service
13
2 Chromatographic Symptoms
15
General Information
16
Peaks Not Displayed/No Peaks
17
Retention Times Not Repeatable
19
Peak Areas Not Repeatable
20
Low Peak Area or Height (Low Sensitivity)
21
Contamination or Carryover
22
3 Log Entries and Errors
25
Sequence Log Entries
26
Event Log Entries (Errors)
28
Maintenance Log Entries
30
Tray Error Messages
31
4 Leaks
33
Leak Check General Procedure
34
Flow Paths
36
Checking for External Leaks
38
To Run the Restriction and Pressure Decay Test
40
If the Test Passes
41
If the Test Fails
42
To Run the Cross Port Leak Test
53
If the Test Passes
54
If the Test Fails
54
To Check for Leaks in the Transfer Line
58
5 Vial Handling
59
How the Headspace Sampler Handles Vials
60
No Vial Found in Gripper/Vial in Gripper
61
Vial Size Errors
62
Carousel Errors
63
Sample Probe Lifter Errors
64
Six Port Valve Errors
65
Shutter Errors (111 Vial Model)
66
Tray Lifter Errors (111 Vial Model)
67
Barcode Reader Errors
68
Tray Errors (111 Vial Model)
69
Gripper Errors (111 Vial Model)
70
Vial Breaks During Thermal Equilibration
71
6 Pressures and Flows
74
Flow and Pressure Shutdowns
74
Purge Flow Deviations
75
Vial Pressurization Setpoint Deviations
76
Carrier Gas Deviation or Shutdown
77
HS Provides All Carrier Flow
77
HS Provides Additional Flow During the Injection
77
To Resolve a Carrier Flow Deviation or Shutdown
78
7 Communications
80
Troubleshooting Headspace Sampler Communications
80
General Information
80
Using DHCP
80
To Troubleshoot LAN Connectivity Issues
81
If the Ping Failed with "Request Timed Out" Errors
83
If Ping Succeeds, but You Still Cannot Connect
83
The GC Does Not Start after the HS Injects
85
8 Electronics
87
To Check the Headspace Sampler Power Configuration
88
To Perform the Instrument Self Test
89
Thermal Shutdowns
90
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