Maquet SERVO-i, Руководство пользователя

Страница: 124 / 156

74
Servo… User´s manual
English edition
Order No: 65 14 892 E313E
Infant Adult Universal Options
9.2 High Priority Alarms
Alarm Message Possible causes Remedies
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.
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 or clogged bacteria filter.
Excessive leakage. Refer to service.
Remove water from tubing and
check humidifier settings,
e.g.,
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 (autocycling).
Improper alarm limit setting. Check patient and breathing
system.
Check trigger sensitivity setting.
Check alarm limit settings.
Expiratory Minute
Volume: Low
Also see note at the
end of this table.
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.
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.