Using the Astral device
English 11
Using the Astral device
WARNING
Make sure the area around the device is dry, clean and clear of bedding or clothes or other objects
that could block the air inlet. Blocking the cooling vents could lead to overheating of the device.
Blocking the air inlet could lead to patient injury.
CAUTION
To prevent possible damage to the ventilator, always secure it to its stand or place it on a flat,
stable surface. For mobile situations, ensure the Astral device is contained within its
mobility bag.
• Ensure the device is protected against water if used outdoors.
Using the Astral device for the first time
When using the Astral device for the first time, ResMed recommends you first perform a functional test.
A functional test will ensure the device is in proper working order before starting therapy. Information to
assist you in resolving any issues is available in the Troubleshooting (see page 65) section.
CAUTION
If any of the following checks fail, contact your Healthcare provider or ResMed for assistance.
To perform a functional test:
1. Turn off the device by pressing the power switch at the back of the device.
2. Check the condition of the device and accessories.
Inspect the device and all accessories. Damaged components should not be used.
3. Check the patient circuit setup.
Check the integrity of the patient circuit (device and provided accessories) and that all connections are secure.
4. Turn on the device and test alarms.
WARNING
If no alarm sounds, do not use the ventilator.
Press the power switch at the back of the device to turn on the device. Check that the alarm sounds
two test beeps and the LEDs for the alarm signal and the alarm mute/reset button flash. The device
is ready for use when the Patient Home screen is displayed.
5. Disconnect the device from the mains and external battery (if in use) so that the device is powered
by the internal battery. Check that the Battery Use alarm is displayed and the battery LED is on.
Note: If the charge state of the internal battery is too low an alarm occurs. Refer to Troubleshooting (see page
65).
6. Reconnect the external battery (if in use) and check that the LED for the DC power supply is lit. The
External DC Power Use alarm will be displayed and the Alarm LED will light.
7. Reconnect the device to mains power.
8. Check the pulse oximeter sensor (if in use).
Attach the accessories according to the set up descriptions. From the Monitoring menu, go to the
Monitoring screen. Check that the values for SpO
2
and pulse are displayed.
9. Check the oxygen connection (if in use). Check for damage to hoses or leaks. Check remaining
capacity of oxygen cylinders.
10. Perform a Learn Circuit.
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