Test Procedures
Page 40 of 60 M1393R0 OQ/PQ Operating Instructions
4.13 Switchos Valve Position Check
The proper functioning of the switching valves is checked in local control mode. The
local/remote switch can be found on the back panel of the Switchos.
4.13.1 Performing the Test
a) Put the Switchos in LOCAL mode.
b) Switch valve A and valve B from position ‘1-2’ to position ‘10-1’ using the manual
control button on the front panel.
c) Connect a syringe adapter ((P/N 160259) to port 1 of valve A.
d) Flush with a 250 µl syringe water through port 1 into port 10.
e) Verify that the valve position corresponds to the LED indicator.
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