4-29
5. Unplug the airway pressure sampling line from the airway pressure sampling connector
(high pressure) on the monitor board.
6. Connect the third connector (Connector C) of the four-way device to the airway pressure
sampling connector (high pressure).
7. Connect the fourth connector (Connector D) of the four-way device to pressure
sampling connector (high pressure) of the calibration device.
NOTE
z
The sampling lines going through the four-way device must be connected to the
high pressure ends of the pressure sampling connectors of the pressure sensors.
z
It is recommended to connect the sampling lines for pressure calibration to the
four-way device following the procedurs to avoid errors.
8. Make sure that the anesthesia machine is in standby mode.
9. Select
the
[
Maintenance
] shortcut key
→
[
Factory Maintenance >>
]
→
enter the
required password
→
[
Factory Cal. >>
]
→
[
Pressure Cal. >>
]
→
[
Start
].
10. After pressure calibration success is prompted, refer to
4.2.6Check the Pressure Sensor
Accuracy
to test the effectiveness of pressure calibration. In case of calibration failure,
first fix the problem and then perform pressure calibration again.
NOTE
z
After pressure calibration, test the accuracy of pressure sensors by referring to
4.2.6Check the Pressure Sensor Accuracy.
z
In case of calibration failure, first fix the problem and then perform pressure
calibration again.
4.3.3.2 Commonly-encountered Problems and Recommended Actions
Failure description
Possible cause
Recommended action
[
Drive Gas Pressure Low
] is
alarmed. The pressure
indicated by the drive gas
(O2) pressure gauge is lower
than 200 kPa.
Replace or connect the gas
supplies to make sure that drive
gas pressure is between 350 and
450 kPa.
After [
Start
] is selected, no
ventilation sound is heard.
Very soon, the prompt
message of [
Calibration
Failure! Please try again.
] is
displayed.
Zero point error occurs to the
airway pressure gauge or
PEEP pressure sensor. Refer
to
4.2.4Check the Sensor
Zero Point
.
Replace the monitor board.
Summary of Contents for WATO EX-55
Page 1: ...WATO EX 55 65 Anesthesia Machine Service Manual ...
Page 2: ......
Page 4: ...II FOR YOUR NOTES ...
Page 6: ...IV FOR YOUR NOTES ...
Page 12: ...6 FOR YOUR NOTES ...
Page 58: ...3 22 FOR YOUR NOTES ...
Page 242: ...6 54 6 4 1 Electrical Connections Electrical Circuit Diagram ...
Page 260: ...6 72 FOR YOUR NOTES ...
Page 261: ...7 1 7 Parts 7 1 Main Unit 7 1 1 Main Unit 7 1 1 1 Exploded View ...
Page 321: ......
Page 322: ...P N 0621 20 78654 1 1 ...