Maquet SERVO-i, User Manual

Page: 126 / 156

76
Servo… User´s manual
English edition
Order No: 65 14 892 E313E
Infant Adult Universal Options
O
2
concentration:
Low
Measured O
2
concentration is below the
set value by more than 6 Vol.% or
concentration is below 18 Vol.% which is
independent of operator settings.
Gas delivered in O
2
supply line is not
O
2
.
O
2
sensor faulty or exhausted.
O
2
cell uncalibrated.
O
2
/oxygen gas module faulty.
Check O
2
supply line.
Perform a Pre-Use Check.
Perform O
2
cell adaptation.
Paw high
Caution:
If airway
pressure rises 6
cmH
2
O above set
upper pressure limit,
the safety valve
opens. The safety
valve also opens if
system pressure
exceeds 117± 7
cmH
2
O.
Airway pressure exceeds preset Upper
Pressure Limit.
Kinked or blocked tubing.
Mucus or secretion plug in endotracheal
tube or in airways.
Patient coughing or fighting ventilator.
Inspiratory flow rate too high.
Improper alarm setting.
Blocked expiratory filter. Check patient and breathing
system.
Check ventilator settings and alarm
limits.
Restart ventilator!
Software error. Restart the ventilator and perform
a Pre-Use Check.
Contact a service technician.
Safety valve test
failed During Pre-Use Check the system found
problems with the opening pressure for
the safety valve. Contact a service technician.
Settings lost;
Restart ventilator
Software error, memory corrupt. Restart the ventilator and perform
a Pre-Use Check.
Check ventilator settings.
Technical error in
Expiratory cassette Technical problem with the expiratory
cassette. Perform a Pre-Use Check.
Change the expiratory cassette and
perform a Pre-Use Check.
Contact a service technician.
Technical error:
Restart ventilator Ventilator settings lost. Restart the ventilator, perform a
Pre-Use Check and check all
settings.
Contact a service technician.
Time in waiting
position exceeds 2
min. Time in waiting position is exceeded.
Patient is not connected to the
ventilator or leakage is excessive. Check patient and breathing
system.
Alarm Message Possible causes Remedies