GE AKTA pilot 600, Руководство пользователя

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7.1 System leakage test failure
Description
The System leakage test tests the system flow path for leakage. Leakage from the tubing
connections and valve membranes is tested by monitoring the system pressure. The
first step tests the whole flow path up to the oultlet valve at a lower pressure level. The
second step tests the flow path up to the column valve at a higher pressure level. During
each test step, the system pressure increases slowly and is then maintained for a limited
time. The outcome of the two steps is listed separately in the performance test report.
Corrective actions
If the System leakage test fails, inspect all tubing connections and valves in the flow
path. Correct the problem according to the table below, and rerun the System leakage
test to make sure the leakage is corrected. If the problem persists after corrective action
has been applied, contact your GE representative.
Corrective action Cause of failure
Make sure that the SNAP connectors are correctly fitted. Visible leakage at a
tubing connector
Replace the tubing.
Replace the valve membranes (see the ÄKTA pilot 600
Operating Instructions). Visible leakage at a
valve
If the problem persists, replace the valve module.
1
Make sure that both inlets A1 and B1 have been primed
with water.
2
Repeat the test.
3
If the test still fails, run individual module tests until the
leakage is located.
No visible leakage
ÄKTA pilot 600 User Manual 29274559 AA 129
7 Troubleshooting
7.1 System leakage test failure