4-27
3. Check the settings of the
anesthesia machine calibration
device. Make settings again if
necessary.
Calibration data are not correct.
Refer to
4.2.5Check the Flow
Sensor Accuracy
.
Replace the inspiratory and
expiratory flow sensors and
perform calibration again. If
calibration still fails, replace the
monitor board.
About 15 minutes
after calibration is
started, the prompt
message of
[Calibration Failure!
Please try again.] is
displayed.
When flow reaches 90 L/min, the
counts value of the inspiratory or
expiratory flow sensor is above
4000, which is outside of the
normal range. Refer to
5.4Troubleshoot
Sensor and Valve
Related Failures by Using the
Valves-test Tool.
1. Replace the flow sensor in the
circuit.
2. Replace the monitor board.
4.3.3 Pressure Calibration (factory)
NOTE
z
Factory pressure calibration is necessary in case of replacing the monitor board,
expiratory valve assembly or three-way valve assembly.
z
When a great deviation is detected between the measured value of the built-in
pressure sensor and that of the standard pressure measurement device, you need to
perform factory pressure calibration.
This calibration is intended for the airway pressure sensor in the breathing circuit, PEEP
pressure sensorand PEEP proportional valve of the expiratory valve assembly. The standard
pressure measurement device is used to calibrate the pressure sensors and PEEP proportional
valve.
4.3.3.1 Calibration Procedures
NOTE
z
Before pressure calibration, make sure that the tubes are not leaky when
connected.
z
Do not move or press the tubes during calibration.
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