Thermo Scientific thermoscientific Vanquish UHPLC System, Operating Manual

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8 • Troubleshooting
Page 126 UHPLC System
Operating Manual
8.2.10.1 Basic Tightness Test
The Basic Tightness Test checks the tightness of the pump and
autosampler.
Follow these steps
1. Run the test from the Chromeleon software. Refer to the
Chromeleon Help .
The test runs automatically without further user interaction.
2. If the test fails, check the Chromeleon Audit Trail for a message. For
remedial actions refer to the Troubleshooting section in the
Operating Manual for the module for which the test failed.
8.2.10.2 Grating Motor Test
The Grating Motor Test checks the mechanical stability of the grating
drive. The test is available for the variable wavelength detector.
Follow these steps
1. Install the diagnostics cell in the detector.
2. Run the test from the Chromeleon software. Refer to the
Chromeleon Help .
3. Depends on the test result:
Test result Action
Passed Reinstall the flow cell of your application.
Failed Contact Thermo Fisher Scientific Technical Support.