Oxygen concentraon high Medium 100 s The oxygen concentraon
measured is higher than the alarm
threshold set for ~1.5 min - the
medin-NC3® connues to operate
normally.
If necessary,
adjust O
2
concentraon or
alarm thresholds.
Oxygen concentraon low Medium 100 s The oxygen concentraon
measured is lower than the alarm
threshold set for ~1.5 min - the
medin-NC3® connues to operate
normally.
If necessary,
adjust O
2
concentraon or
alarm thresholds.
Temperature Medium 90 s The temperature in the
medin-NC3® is too high.
Check the
environmental
condions and
contact a service
technician.
Connect power supply unit –
baery low
Medium 6 s The internal baery is almost
discharged.
Please connect
the power supply
unit.
P
peak
high Medium < 1 s The pressure during a push
is greater than 18 mbar. The
medin-NC3® interrupts the acve
push.
Please check push
ow
sengs and
decrease, if
necessary.
Error message text Priority ∆t
(1)
Cause and device response Correcon
Leak-Assist Low < 36 s The average CPAP is dierent from
the target CPAP for > 30 seconds
and the Leak-Assist ow of
± 5 L/min is not sucient for
compensaon.
In this case, the medin-NC3®
connues to work normally.
Check paent
interface and if
necessary, correct
larger leaks.
Fan blocked Low 15 s The fan is blocked or defecve. Please contact a
service technician.
Power supply disconnected Low 1 s The power supply unit is removed
during ongoing operaon. A
5-second message is displayed.
Plug power supply
unit back in.
External baery low Low 6 s The external baery is almost
discharged.
Replace ext.
baery or plug in
power supply unit.
medin Medical Innovaons GmbH
Adam-Geisler-Str. 1
82140 Olching, Germany
+49 8142 448 460
info@medin-medical.com
www.medin-medical.com
IFU_medin-NC3 EN
Rev 05 Status as of 28.04.2021
52 of 68
Table 5: Medium-priority alarms
(1)
Delay ∆t: This corresponds to the maximum me which passes from the me the alarm condion occurs
unl the alarm is triggered.
(2)
Aer start-up, the Disconnecon alarm is suppressed for the rst 5 minutes of operaon. However, the alarm
is acvated no later than aer 5 minutes or if a CPAP pressure > 1 mbar for at least 30 sec has already been
measured.
(3)
Maximum me delay, including maximum required me to completely recalculate the average value.