D-8
1. Check connection with O
2
supply.
2. Check O
2
supply pressure.
Tinsp Too Long L
In PSV mode, Tinsp exceeds 4s for adult and 1.5s for
pediatric for continuous 3 cycles. This alarm is not
triggered again after pressure sensor or flow sensor
failure.
1. Check the patient.
2. Check the ventilation parameter setup.
3. Check the patient tubing for leakage.
Please Check Exp.
Flow Sensor
H
Installing the expiratory flow sensor fails.
Contact your service personnel.
Insp. Gas Temp
Too High
H
The gas temperature exceeds 45℃. Restart the machine.
1. Disconnect the patient.
2.Clean the fan dust filter.
3. Restart the ventilator.
Replace HEPA
Filter
L
The resistance of HEPA becomes intense.
Contact your service personnel.
Fan Failure M
Fan speed error. Restart the machine if the error cannot
be corrected.
Contact your service personnel.
Flow Sensor Type
Error
H
Installation error of Air flow sensor or O
2
flow sensor.
Contact your service personnel.
Blower
Temperature High
H
Turbine blower temperature exceeds the threshold.
1. Check if the operating ambient temperature of the
machine exceeds the maximum operating temperature
specified by the vendor.
2. Check if the fan inlet and outlet are occluded. If yes,
clear the foreign substance and dust.
3. Check the rotation of the fan. If it runs abnormally
(such as abnormal sound or rotation speed), replace the
fan.
AMV: Cannot Meet
Target
L
Cannot meet established MV%
1. Check the ventilation parameter setup.
2. Check the alarm limits setting.
O
2
Sensor
Unconnected
L
The O
2
sensor is not connected.
Connect the O
2
sensor.
Please Replace O
2
Sensor.
M
The O
2
sensor is used up.
Replace the O
2
sensor.
Please calibrate O
2
sensor.
L
Calibrate the O
2
sensor.
Calibrate O
2
concentration.
Please perform
pressure calibration.
H
Calibrate the pressure sensor.
Contact your service personnel.
Please perform flow H Calibrate the flow sensor.
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