Dräger Fabius Instructions For Use Manual page 221

If the system leaks (i.e. pressure drops):
Check that all plug-in, push-fit and screw con-
nectors fit tightly.
Replace any missing or damaged seals. If nec-
essary, call DrägerService or your local autho-
rized service organization.
Inspiratory and Expiratory Valves
(Compact Breathing Systems)
Press the ManSpont key and confirm.
Set APL-valve to MAN position and adjust to
30 cmH O (hPa).
2
Press O flush.
2
P Breathing bag for manual ventilation fills
P Inspiratory and expiratory valve discs move
freely when the breathing bag is squeezed
and released.
Pressure-Limiting (APL) Valve
(Compact Breathing System)
P Set APL valve to MAN and 30 cmH
(hPa).
Set fresh gas flow to 20 L/min.
P Press the ManSpont key and confirm.
P When the pressure waveform on the
Breathing Pressure Trace window stabi-
lizes (e.g., a flat line), flip the APL-valve to
SPONT to release pressure.
P Peak pressure display on monitor reads
24 to 36 cmH
2
Checking Ventilator Operation
P Connect a breathing bag to the Y-piece to
act as test lung.
P Press the Pressure Control key and con-
firm.
Instructions for Use Fabius MRI SW 3.n
2
O (hPa).
P Check that ventilation measurements are
displayed.
P Check that the ventilator piston is cycling.
P Monitor the operation of the inspiratory and
expiratory valve discs.
P Check that the breathing bag (test lung) on
the Y-piece is ventilating.
P Press the Standby key and confirm.
Monitors
The alarm function can be tested by setting alarm
limits to levels that are certain to trigger an alarm.
Check the alarm limit settings. The monitor alarm
limits are automatically set to a default configura-
tion when the SYSTEM POWER switch is turned
on. Check these settings and adjust them if neces-
sary. Alarm limits can be adjusted at the beginning
of or during a procedure. Also, make sure that any
external monitors (if any) are connected properly.
Test the alarm functions for all monitors. Simulate
alarm conditions and check for appropriate alarm
O
signals.
Test the O
Test the volume monitor and alarm module.
Test the pressure monitor and alarm mod-
ule.
Press the Standby key and confirm.
Additional Monitors (when present)
Check the CO
Check the anesthetic agent monitor and
alarm module.
monitor and alarm module.
2
monitor and alarm module.
2
221