Heyer Modular+ - Proportional Valve Calibration

Preventive Maintenance
87
4.6.2.5 Proportional Valve Calibration
Caution: The three procedures “Proportional Valve Calibration”, “Internal Flow Sensor
Calibration” and “Characteristic of the Proportional Valve” must always be
performed together in the order as in the manual, never individually.
(Skip to Step 2 if already in the Main menu.)
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.