Datex-Ohmeda Anesthesia Delivery Unit S/5, Техническое справочное руководство

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Datex-Ohmeda ADU
C-50
Document No. 8502855
PEEP High
(AUTO &
MANUAL)
N/A Sustained pressure.
Scavenging system
obstructed or overflow
valve stuck.
1. Check scavenging
system.
2. Check overflow valve
in bellows block.
3. Check alarm settings
Negative
Pressure
(AUTO &
MANUAL)
N/A Scavenging system
malfunction (leak).
Spontaneous breathing.
1. Check scavenging
system.
2. Check pressure
sensors.
Loss of
driving
pressure
Multiple of
alarms.
Neither primary nor
secondary driving gas
available. Ventilator
inoperable.
Check gas supplies to
ADU.
O
2
supply
pressure
lost
O
2
supply
pressure low
When the pressure does
not reach the minimum
pressure limit of 2.5bar.
1. Check gas supplies.
2. Check O
2
pressure
sensor calibration.
Air supply
pressure
lost
Air supply
pressure low
When the pressure does
not reach the minimum
pressure limit of 2.5bar.
Check gas supplies.
Check air pressure sensor
calibration.
Sigh cycle N/A Starting sigh cycle. None. Notification to
user.
Select
MAN or
AUTO
mode
Man/mech error. The Auto/Man. switch is
in neither position.
Check Auto/Man. switch.
Replace Bellows block.
Switch to
MAN mode
N/A System is in Auto mode
after System Checkout.
To prevent the ADU from
starting to ventilate
immediately it is required
that user switches to
Manual mode first.
Switch to manual
ventilation.
Cannot
reach PCV
pressure
N/A Pressure limit not
reached during five
consecutive breaths.
Check for disconnection
or some other
malfunction that would
cause a major leakage.
Message
in
Normal
Screen
Message in
diagnostic
page
Error condition /
possible cause
Recommended
action
Err
log