3 Start a timer and record the time for the following alarms to appear.
• the Low last power source alarm shall be given after a run time of at least 1 hour
and 40 minutes. The ventilator shall continue to run for at least 15 minutes more.
• When the Critical low last power source alarm is given, the ventilator shall run for
at least five more minutes.
• When the Power Fail alarm is given, the treatment stops. The alarm shall continue
to sound for about two more minutes.
The ventilator shall have been able to run at least 2 hours on the internal battery
before the Power fail alarm is given
6.5.3 Optional Alarm Tests
In this chapter, methods for additional alarm tests are described. These tests are optional
and not needed to ensure safe use of the ventilator.
6.5.3.1 High PEEP Alarm
1 Connect the ventilator patient circuit to a test lung and a CPAP device.
2 Set the CPAP device treatment pressure to 10 cmH
2
O.
3 Adjust the ventilator settings as follows:
Setting Value
Ventilation Mode
Pressure
Breath Mode
Assist/Control
Insp. Pressure 15 cmH
2
O
PEEP 5 cmH
2
O
Breath Rate 12 bpm
Insp. Time 1.5 s
Rise Time 5
Insp. Trigger Off
Target Volume Off
154 Alarms
User manual
Doc. 007301 K-1
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