Agilent Technologies InfinityLab LC Series User Manual page 123

7 Test Functions and Calibration
Leak Rate Test
Internal Outlet Valve Leak
A leak of the outlet valve will be identified separately (internal outlet valve leak) by
calculating the difference between leak rate 1 and leak rate 2. If the second leak
rate is higher than the first one, this is due to a flow back through the outlet valve.
Probable cause
1
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
Leak at outlet valve
Suggested actions
Replace the part which has failed and re-run the
test.
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