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36
Troubleshooting and Maintenance Guide
3
Chromatographic Symptoms
Peak Areas Not Repeatable
Check the ALS syringe operation. (See the Troubleshooting
section of the
7683 Automatic Liquid Sampler Installation,
Operation and Maintenance
manual.)
•
Replace the syringe.
•
Check for leaks in the inlet, liner (as applicable), and
column connection. (See
•
Check sample level in vials.
•
Run replicates of known standards to verify the problem.
•
Consider if this is the first run. (Has the instrument
stabilized?)
Poor repeatability
•
Dirty syringe needle
•
Dirty GC inlet
•
Leaking GC inlet*
•
Injection is too large
•
Loose column connections
•
Variations in pressure, column flow, and temperature
•
Dirty ion source
•
Loose connections in the analyzer
•
Ground loops
* This could cause a fault condition in the GC that would prevent
the GC from operating.
Содержание 5975T LTM GC/MSD
Страница 1: ...Agilent Technologies Agilent 5975T LTM GC MSD Troubleshooting and Maintenance Guide...
Страница 10: ...10 Troubleshooting and Maintenance Guide...
Страница 32: ...32 Troubleshooting and Maintenance Guide 2 Concepts and General Tasks...
Страница 72: ...72 Troubleshooting and Maintenance Guide 3 Chromatographic Symptoms...
Страница 86: ...86 Troubleshooting and Maintenance Guide 5 ALS Symptoms...
Страница 98: ...98 Troubleshooting and Maintenance Guide 7 Instrument Power On and Communication Symptoms...
Страница 108: ...108 Troubleshooting and Maintenance Guide 9 Troubleshooting Tasks...
Страница 150: ...150 Troubleshooting and Maintenance Guide 10 General Maintenance Figure 16 Replacing filaments Filament 1 Filament 2...
Страница 166: ...166 Troubleshooting and Maintenance Guide 10 General Maintenance...
Страница 214: ...214 Troubleshooting and Maintenance Guide 13 Analyzer...
Страница 239: ...Parts 15 Troubleshooting and Maintenance Guide 239 Figure 39 LCP replacement parts LCP assembly and fascia...