Power Alarms; System Alarms - ResMed Astral Series Clinical Manual

Alarm settings and conditions

Power alarms

Power alarms are not adjustable.
CAUTION
Data cannot be saved while there is a Critically low battery or Battery inoperable alarm. Program
selections made while these alarms are active may be lost if the device is restarted. Recording of
ventilation data and alarms is suspended.
Alarm Activates when
Low internal battery Approximately 20 minutes of ventilation time remaining on internal battery power.
Critically low battery Approximately 10 minutes of ventilation time remaining on internal battery power.
Total power failure There is total loss of power due to failure of the internal battery, or a loss of external power while
the internal battery is removed.
Power disconnected The power source is changed from an external source to the internal battery.
Using internal battery The Astral device is powered on and is using battery power.
Battery inoperable The internal battery is faulty or has been removed.
Internal battery The internal battery is degraded and may not provide a reliable indication of remaining time.
degraded

System alarms

System alarms are not adjustable.
Alarm message
Safety reset complete
Last device test failed
Device overheating
System fault
Safety system fault
120
Activates when
the device activated a restart to resume normal operation.
ventilation is started after the device self-test fails.
internal component/s of the device are becoming too hot.
a technical fault is detected within the Astral device at initial power up or during
ventilation.
a technical fault is detected within the Astral device at initial power up or during
ventilation.