The default display appears again after the acoustic
alarm has been acknowledged. The fault which has not
yet been rectified continues to be displayed in the status
line and the alarm LED flashes (or stays on) until the fault
is rectified.
If the fault is not rectified within 120 seconds of the
acknowledgement, the acoustic alarm (buzzer) sounds
again.
You can find troubleshooting assistance in the following tables.
8.2.3 Sequence of displays if alarms are triggered simultaneously
If several alarms are triggered simultaneously, they are displayed in accordance with the
hierarchy shown below.
1.High-priority alarms
2.Medium-priority alarms
3.Low-priority alarms
If a new alarm with a higher priority occurs after one alarm is displayed, the alarm display
switches to the higher priority. The low-priority alarm is retained and is displayed again
once the high-priority alarm has been eliminated if it still applies.
8.2.4 Physiological alarms
Display Alarm Cause of fault Remedy
IPAP
low
(pressure-controlled
only)
Minimum therapy
pressure undershot.
Medium priority
Filter dirty Clean/change filter
Patient/ventilator
interface leaking
Adjust headgear/headband so
that the patient/ventilator
interface seals, possibly
replace it
Patient/ventilator
interface defective
Replace patient/ventilator
interface
Settings implausible
Have the settings checked by
the doctor supervising
treatment
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