Thermo Scientific EASY-nLC 1200 Troubleshooting And Maintenance Manual page 171

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When subsystem A has a large leak, pump A can run out of solvent during a sample run,
resulting in the server error message shown in
during the gradient step.
Figure 127. Server error message displayed when pump A runs out of solvent
When subsystem B has a large leak or is filled with air, the gradient fails to start because the
pressure cannot be increased to reach the starting conditions (see
Figure 128. Subsystem B leak
Figure 127. An automatic refill will happen
Figure
EASY-nLC 1200 Troubleshooting & Maintenance Guide
7
Troubleshooting
Troubleshooting Tips
128).
Pressure
remains
low.
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