D-7
CO2 Low Airway
Pressure
L The airway pressure is too low (<428 mmHg).An error
occurred to the airway pressure. Check the patient and
pneumatic connections. Attempt to restart the ventilator.
O2 High
Barometric
L The barometric pressure is greater than 790 mmHg.
Check the pneumatic connections. Make sure that the
ventilator application site meets the environmental
specifications. Check for special sources that affect the
ambient pressure. Attempt to restart the ventilator.
CO2 Low
Barometric
L The barometric pressure is less than 428 mmHg.
Check the pneumatic connections. Make sure that the
ventilator application site meets the environmental
specifications. Check for special sources that affect the
ambient pressure. Attempt to restart the ventilator.
CO2 Hardware
Error
H Errors may occur to:
1. External A/D sampling 2.5V
2. 12V power supply voltage
3. Internal A/D sampling 2.5V
4. Pump
5. 3-way valve
Restart the ventilator. If the problem persists, contact your
service personnel.
CO2 Sampleline
Occluded
L An error or occlusion may occur to the sampling line.
Check the CO2 pneumatic line.
CO2 Zero Failed L Deviation of gain input signal is too great to be adjusted.
CO2 System Error L The alarm can be triggered by multiple system errors.
Restart the ventilator. If the problem persists, contact your
service personnel.
CO2 No Watertrap L The water trap is disconnected or is not connected
properly.
Check the water trap.
EtCO2 Overrange L The measured parameter value is outside the measurement
range (error range is counted).
Do the test after zeroing and calibration. If the problem
persists, contact your service personnel.
FiCO2 Overrange L
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