Preventive Maintenance
74
3 Conduct Proportional valve (PV) verification test, with the patient module removed.
(Skip to step 3-m if already in the Test menu with the removed patient module)
a Remove the CO
2
absorber dome.
b Remove the bag in bottle system.
c Remove the O
2
cell cable from the O
2
cell.
d Remove the scavenger hose.
e Remove the breathing circuit.
f Turn the locking handle 180° counterclockwise
g Pull out the patient module.
h Select the Select the keys.
i)
SET
ii)
OPT.
iii)
iv)
OK
i Select KEYCODE to enter the diagnostic screens.
j Enter a valid key code to invoke the service software.
k Advance from this window to the main menu by pressing ENTER.
l Select TEST MENU.
m While in the Test Menu, select CHARAC. PV.
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