Troubleshooting
156
Alarm message
Action
Flow sensor fault
Replace expiratory flow sensor.
Flow sensor not calibrated
Perform a Learn Circuit.
High FiO
2
1.
Check the patient's status.
2.
Check and adjust the oxygen supply.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit to recalibrate the oxygen sensor.
High Leak
1.
Check the patient's status.
2.
Inspect the circuit, expiratory valve and proximal lines for leak. When in use, check
for leaks around the mask.
3.
When using vented therapy, check the mask type setting.
4.
Verify that therapy and alarm settings are appropriate.
5.
Perform a Learn Circuit.
High MVe
1.
Check the patient's status.
2.
Inspect the double limb adapter. If necessary, replace the expiratory valve.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit.
High MVi
1.
Check the patient's status.
2.
Inspect the circuit and expiratory module for leaks.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit.
High PEEP
1.
Check the patient's status.
2.
Inspect the circuit and expiratory valve for obstruction. When in use, check for
obstruction in proximal lines.
3.
Verify that therapy and alarm settings are appropriate.
4.
Perform a Learn Circuit.
High pressure
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.
High pressure protection
The hardware pressure safety limit was exceeded. If problem reoccurs, return the device
for service.
High Pulse Rate
1.
Check the patient's status.
2.
Verify that therapy and alarm settings are appropriate.
High Resp Rate
1.
Check the patient's status.
2.
Verify that therapy and alarm settings are appropriate.
3.
Check and adjust the trigger settings.
4.
Check for and correct leak.
5.
Perform a Learn Circuit.
High SpO
2
1.
Check the patient's status.
2.
Verify that therapy and alarm settings are appropriate.
Summary of Contents for Astral 100
Page 1: ...Clinical guide English ...