Troubleshooting
158
Alarm message
Action
Low Pulse Rate
1.
Check the patient's status.
2.
Verify that therapy and alarm settings are appropriate.
Low Resp Rate
1.
Check the patient's status.
2.
Inspect the circuit and the proximal lines for leak.
3.
Check and adjust settings.
4.
Verify that therapy and alarm settings are appropriate.
5.
Perform a Learn Circuit.
Low SpO
2
1.
Check the patient's status.
2.
Verify that therapy and alarm settings are appropriate.
Low Vte
1.
Check the patient's status and airway.
2.
Inspect the circuit and the circuit adapter for obstruction or leaks or water.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit.
Low Vti
1.
Check the patient's status and airway.
2.
Inspect the circuit for obstruction.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit.
No FiO
2
monitoring
Perform a Learn Circuit to calibrate the oxygen sensor.
No SpO
2
monitoring
1.
Check the SpO
2
connection to patient's finger and the Astral.
2.
If the alarm persists, use another SpO
2
oximeter or finger sensor.
NV Mask/Rebreathing
For vented circuit:
1.
Check that the mask vents are clear and unobstructed.
2.
Check the mask type setting.
3.
Perform a Learn Circuit.
For mouthpiece circuit:
Check that the interface is a mouthpiece and that the patient is not continuously exhaling
into the circuit.
Obstruction
1.
Check the patient's status and airway.
2.
Inspect the circuit and the expiratory valve for obstruction. When in use, check for
kinks in proximal lines.
3.
Check the circuit for water.
4.
Perform a Learn Circuit.
PEEP blower failure
1.
Check the patient's status.
2.
Switch to a back-up ventilator and return the device for service.
Power fault / no charging
1.
Check all connections between the ventilator and external battery.
2.
Check connection to mains power (if present). This can be caused by the battery
temperature being out of range.
If problem persists, contact your ResMed Service Centre.
Pressure Line disconnected
1.
Check the connection of the proximal sense line.
2.
Check the circuit for water.
3.
Perform a Learn Circuit.
Safety reset complete
The device detected a fault and was reset.
1.
Check the patient's status.
2.
If the alarm persists, switch to a back-up ventilator and return the device for service.
Summary of Contents for Astral 100
Page 1: ...Clinical guide English ...
