Heyer Modular+, Service Manual

Page: 76 / 114

Preventive Maintenance
76
4 Conduct Solenoid Valves MV1 – MV4 test. (Skip to step 4-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.
Fig. 31 Solenoid Valves MV-1 MV-4 test screen