Maquet SERVO-i V3.1, Руководство пользователя, Страница: 228 / 283

226
Servo
…
User´s manual
US edition
Order No: 66 00 261
10
Infant Adult Universal Options
Problem
(Display message) Possible cause Remedy
Apnea Preset or default alarm limit
exceeded.
Time between two consecutive
inspiratory efforts exceeds the set
alarm limit.
Check patient and breathing
system.
Check ventilator settings.
Backup ventilation An apnea has caused the ventilator
to switch from support mode to
backup ventilation mode. Check patient. Select ventilator
mode.
Check ventilator settings. If the
problem still remains contact a
service technician.
Check tubing Problems with patient tubing or
expiratory pressure transducer.
Disconnected pressure transducer
(expiratory or inspiratory). Blocked
pressure transducer (expiratory or
inspiratory). Water in expiratory limb
of ventilator. Wet bacteria filter.
Clogged bacteria filter. Excessive
leakage. Refer to service. Remove water
from tubing and check humidifier
settings, i.e. relative humidity.
Check heater wires in humidifier (if
present). Check connections of
tubing and expiratory cassette.
Expiratory cassette
disconnected The Expiratory cassette is
disconnected or not connected
properly. Connect the Expiratory cassette.
Replace the Expiratory cassette.
Perform a Pre-use check if a new
Expiratory cassette is inserted.
Expiratory Minute
Volume: High Preset or default alarm limit
exceeded.
Increased patient activity. Ventilator
self-triggering (auto cycling).
Improper alarm limit setting.
Check patient and breathing
system.
Check trigger sensitivity setting.
Check alarm limit settings.
Expiratory Minute
Volume: Low
(
See note on page 229.)
Preset or default alarm limit
exceeded.
Note: This alarm also works as a
patient disconnect alarm.
Low spontaneous patient breathing
activity. Leakage around the cuff.
Leakage in the patient breathing
system. Improper alarm setting.
Check patient and breathing
system.
Check cuff pressure.
Check patient breathing system
(perform leakage test if necessary).
Check pause time and graphics to
verify. Consider increased
ventilatory support for the patient.
Gas supply pressures:
Low Air and O
2
supply is below 2.0 kPa x
100.
Both air and O
2
gas supply
disconnected.
Check the gas connections.
High continuous
pressure Constantly high airway pressure for
more than 15 seconds (PEEP + 15
cmH
2
O).
Check patient and breathing
system.
Check ventilator settings. If the
problem remains, contact a service
technician.
High priority alarms