D-7
1. Check the patient.
2. Check the ventilation parameter setup.
3. Check the patient tubing for occlusion.
Airway Leak? L
Tube is leaky.
1. Check the patient tubing for leakage.
2. Perform System Check to test the leakage
Tube
Disconnected?
H
Tube is disconnected.
Re-connect the patient tubing.
Insp. Limb Airway
Obstructed?
M
The patient tubing is bent or occluded in case of O
2
therapy.
Check if the patient tubing is occluded or bent. If yes,
clear it.
Pressure Limited L
In volume mode or pressure mode when ATRC function
is enabled, the pressure reaches Paw high alarm limit-5.
1. Check the patient.
2. Check the ventilation parameter setup.
3. Check pressure high alarm limit.
Volume Limited L
In pressure mode, delivered gas volume exceeds the set
TV high limit.
1. Check the patient.
2. Check the ventilation parameter setup.
3. Check the alarm limits.
Pinsp Not Achieved L
Pinsp is less than the pressure setting value by 3 cmH
2
O
or 1/3 of the pressure setting value, whichever is less.
1. Check the patient.
2. Check TV alarm limits.
3. Check the O
2
supply.
4. Check the patient tubing for leakage.
5. Check the HEPA filter for occlusion.
TV Not Achieved L
TVi is less than the TV setting value for a period time.
1. Check the patient.
2. Check pressure high alarm limit.
3. Check the HEPA filter for occlusion.
4. Check the O
2
supply.
5. Check the patient tubing for leakage or occlusion.
Pressure Limited in
Sigh cycle
L
The pressure reaches Paw high alarm limit-5 in sigh
cycle.
1. Check the patient.
2. Check pressure high alarm limit.
3. Check the patient tubing for occlusion.
4. Consider to turn off sigh.
O
2
Supply Failure H O
2
pressure is low or high-pressure O
2
is not connected.