D - 6
BeneVision N1 Patient Monitor Operator’s Manual
Note: XX represents an IBP label, for example PA, CVP, FAP, P1, and so on.
D.2.8
CO
2
Technical Alarm Messages
XX No Pulse
Low
A
The catheter may be occluded. Please flush the
catheter.
XX Disconnected
High
C
The liquid way is disconnected from the patient,
or the three-way valve is open to the air. Check
the connection of the liquid way, or check the
valve is open to the patient. If the alarm persists,
contact your service personnel.
Alarm message
Default priority
Indication on
alarm reset
Cause and solution
Alarm message
Default priority
Indication on
alarm reset
Cause and solution
CO
2
Module High Temp
Low
C
Ambient temperature is too high or there is a
module failure.
1. Lower the operating temperature.
2. Replug the module.
3. If the alarm persists, the CO
2
module may fail,
contact your service personnel.
CO
2
Module Low Temp
Low
C
Ambient temperature is too low or there is a
module failure.
1. Raise the operating temperature.
2. Replug the module.
3. If the alarm persists, the CO
2
module may fail,
contact your service personnel.
CO
2
Zero Failed
Low
C
For mainstream CO
2
module, check the
connections between the adapter and CO
2
transducer. Wait till the sensor’s temperature
becomes stabilized, and then perform a zero
calibration again.
For sidestream CO
2
module, replug the module. If
the alarm persists, contact your service
personnel.
CO
2
No Watertrap
Low
B
Check the watertrap connections.
CO
2
High Airway Pressure
Low
C
1. Check the airway pressure settings of the
ventilator/anesthesia machine.
2. Disconnect the module from the ventilator/
anesthesia machine.
3. Replug the module.
4. If the alarm persists, contact your service
personnel.
CO
2
Low Airway Pressure
Low
C
1. Check the airway pressure settings of the
ventilator/anesthesia machine.
2. Disconnect the module from the ventilator/
anesthesia machine.
3. Replug the module.
4. If the alarm persists, contact your service
personnel.
CO
2
High Barometric
Low
C
The ambient pressure exceeds the operating
pressure range or CO
2
module fails.
1. Make sure that the ambient pressure meets the
specifications, and check for sources that affect
the ambient pressure.
2. Replug the module. If the alarm persists,
contact your service personnel.
