ResMed Astral Mode D'emploi page 10

Troubleshooting
If there is a problem, try the following suggestions. If the
problem cannot be solved, contact your equipment supplier or
ResMed. Do not attempt to open the battery.
Problem/Possible cause
LED indicators are not illuminated
Power connections are
disrupted.
External Battery is
discharged.
External Battery is off.
External Battery failure.
External Battery amber LED is flashing.
The External Battery charge
level is less than 5%.
External Battery green level LED is flashing
The battery charge level is
below 10%.
Charging terminates
Charging complete
The ambient temperature is
warmer than 30ºC.
Battery turns off and stops powering device
The ambient temperature is
warmer than 40ºC.
Battery charge level indicator is inaccurate
Ambient temperature is at
extreme condition (eg, –5ºC,
+40ºC).
Alarms Troubleshooting
Alarms and messages relating to the External Battery may occur
from time to time. All message information will be displayed on
the Astral User interface, and will be accompanied by an audible
signal.
Refer to the Astral User Guide for further information
Technical specifications
Battery technology
Capacity
UN classification
Power supply
Battery output
voltage
8
Solution
Check all cables and connect them as
described in Setting up.
Connect the device to the mains
power supply and recharge the
External Battery.
Press level check/On button for at least
two seconds.
Consult your ResMed representative.
Recharge the External Battery as soon
as possible.
Recharge the External Battery as soon
as possible.
External Battery is ready to use.
Charge the External Battery where the
ambient temperature is cooler than
30ºC.
Move the External Battery to a location
where the ambient temperature is
cooler than 40ºC.
Move External Battery to a location
where ambient temperature is
between –5ºC and +40ºC and charge
via AC mains.
Lithium-ion
< 100 Wh (97 Wh)
UN3480 (lithium-ion batteries)
Input range 100–240V, 50–60Hz, 1.0-1.5A
Nominal for aircraft use 110V, 400Hz
(20V / 24V) ± 1V, 90W continuous