Troubleshooting
English 61
Alarm message Action
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.
Shallow breathing
1. Check the patient's status.
2. Inspect the circuit and proximal lines for obstructions or leak.
3. Perform a Learn Circuit.
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 not started. Incorrect
adapter
1. Check that the correct circuit adapter is installed for the selected circuit type.
2. Perform a Learn Circuit.
Ventilation stopped Confirm it is appropriate to stop ventilation.
Ventilation stopped / High pressure
The hardware pressure safety limit was exceeded. If problem recurs, return the device for
service.
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