Buchi Alltech 3300 ELSD - Page 6

BÜCHI Labortechnik AG
www.buchi.com
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3.5.3 Tests ................................................................................................................................................................. 14
3.5.4 Files .................................................................................................................................................................. 14
3.5.5 Service Tech .................................................................................................................................................... 14
3.5.6 About ................................................................................................................................................................ 14
4. Routine Operation ............................................................................................................. 15
4.1 Safety .................................................................................................................................................... 15
4.2 Operating Notes ................................................................................................................................... 15
4.3 Selecting Initial Operating Conditions ................................................................................................ 15
4.4 Startup Sequence ................................................................................................................................ 15
4.5 Shutdown Sequence ............................................................................................................................ 16
4.6 Optimization Procedure ....................................................................................................................... 16
5. Maintenance ....................................................................................................................... 17
5.1 Cleaning Mode ..................................................................................................................................... 17
5.2 Nebulizer Cleaning Procedure ............................................................................................................. 17
5.3 Drift Tube Cleaning Procedure ............................................................................................................ 18
5.4 Optics Cleaning Procedure ................................................................................................................. 18
5.5 Fuse Replacement ............................................................................................................................... 19
6. Diagnostics and Troubleshooting ................................................................................... 20
6.1 Errors .................................................................................................................................................... 20
6.2 Performing Diagnostic Tests ............................................................................................................... 21
6.2.1 Nebulizer Gas Pressure Test .......................................................................................................................... 21
6.2.2 Gas Flow Test .................................................................................................................................................. 22
6.2.3 Optics Test ....................................................................................................................................................... 22
6.2.4 Optics Heating Test ......................................................................................................................................... 23
6.3 Diagnosing Baseline Noise ................................................................................................................. 25
6.4 Troubleshooting Charts ....................................................................................................................... 26
7. Appendix ............................................................................................................................ 28
7.1 Specifications ...................................................................................................................................... 28
7.2 Replacement Parts ............................................................................................................................... 28
7.3 Volatile Mobile Phase Modifiers .......................................................................................................... 29
8.
Contact BUCHI .................................................................................................................... 30
9. Useful References ............................................................................................................. 31