6 Hygiene treatment and servicing
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EN
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6.3.2 Specialist user
(physician or hospital nursing
staff)
Exhalation blocked
(Obstruction)
757
Single circuit with valve is connected.
Alternatively
Double circuit is connected.
Connect test lung. Start ventilation.
On a single circuit with valve: Seal exhalation opening
of patient valve.
On a double circuit: Take the circuit off the device
and seal the connection.
Tidal volume low
(Low volume
exhaled)
450 Double circuit: Alarm limit is set.
Start ventilation.
Take circuit off device.
Wait 3 breaths.
FiO
2
low
(Oxygen
concentration)
494
O
2
cell is fitted and activated.
Alarm limit is set.
No external oxygen supply available.
Start ventilation.
Battery capacity
low
551
Device is not connected to the power
supply.
Start ventilation until the internal battery has
15 minutes’ life remaining before it discharges
completely.
Battery capacity
critical
550
Device is not connected to the power
supply.
Start ventilation until the internal battery has
5 minutes’ life remaining before it discharges
completely.
Energy supply via
internal battery
584 None
Disconnect power cable from device. Disconnect the
cable for the external batteries from the device.
ALARM
ID NO.
REQUIREMENT
TEST
ALARM
ID NO.
REQUIREMENT
TEST
Constant pressure level
758
-
Set IPAP and EPAP/PEEP to the identical pressure level.
Start ventilation. Wait 17 seconds.
Tidal volume low
(Volume delivered)
450
Single circuit with valve
connected
Connect test lung. Start ventilation.
Read off volume delivered (VTi)
Set alarm limit to a value above the volume delivered.
Pressure high
(High airway pressure)
456
-
Connect test lung. Start ventilation.
Read off current IPAP.
Set alarm limit to a value below IPAP.
Rate low
(Hypoventilation)
452
-
Connect test lung. Set PSV mode. Start ventilation.
Read off current rate.
Set alarm limit to a value above the rate displayed.
Tidal volume high
(High volume exhaled)
451
-
Connect test lung. Start ventilation.
Read off current VT/VTe.
Set alarm limit to a value below the VT/VTe displayed.
Tidal volume low
(Low volume exhaled)
450
Double circuit: Alarm
limit set.
Connect test lung. Start ventilation.
Take circuit off device.
TECHNICAL ALARMS
Therapy ended
794
Therapy ended
alarm
is activated in the
Alarms
menu.
End therapy.
Maximum device pressure
825
-
Connect an external device to the patient connection opening
to generate pressure.
IPAP and external pressure generation together must be
> 90 cmH
2
O.
Start external pressure generation.
Start ventilation.
Pressure permanently low
755
Pressure controlled
mode set
Start ventilation with an open circuit at the patient
connection.
Wait 15 breaths.
