Troubleshooting
68
Alarm message Action
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.
Pressure Line disconnected
1. Check the connection of the proximal sense line.
2. Check the circuit for water.
3. Perform a Learn Circuit.
Power fault / no charging
1. Check all connections between the device 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.
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.
Safety system fault
1. Check the patient's status.
2. Transfer the patient to an alternate means of ventilation.
3. Return the device for servicing.
System fault
1. Check the patient's status.
2. Perform a Learn circuit.
3. If problem persists, or the device fails self-test, return the device for service.
Total power failure
1. Check the patient's status and airway.
2. Connect the device to AC mains.
3. Check the battery charge level of the internal and external (if applicable) battery.
The total power failure alarm can only be silenced by connecting the device to
AC mains power.
Using internal battery Confirm operation on internal battery is intended or restore external power.
If intending to use external power:
1. Check the power cable connection between the mains or battery, the power supply
pack and the device.
2. If using an external battery, check the external battery charge level and
replace/charge if empty.
3. If using mains AC, check the supply output.
4. If the problem continues, try an alternative external supply type (ie, Mains AC, Mains
DC or External Battery).
Ventilation stopped Confirm it is appropriate to stop ventilation.
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