Mindray WATO EX-55Pro, Service Manual

Page: 250 / 474

7-54
5. A screen as shown in the following figure is displayed if the ongoing calibration is
cancelled. Select [
Try Again
] to re-conduct calibration. Select [
Done
] to quit
calibration.
7.3.7.4 Common Failures and Recommended Actions
Failure Description Possible Cause Recommended Action
After [
Begin
] is
selected, a calibration
failure message is
displayed very soon.
The machine is in the
BFCS state. Set the machine to the EFCS state.
The pressure of the
N2O supply is low. Replace or connect to the gas supply to ensure
that the N2O pressure is within the specified
range.
The calibration fails
about 1 minute after
[
Begin
] is selected.
The calibration points
do not meet the
monotonic property. Recalibration is recommended.
7.3.8 CO2 Calibration (factory)
7.3.8.1 Preparations
Prepare the following before doing the calibration:
 Gas cylinder: one or more cylinders filled with 3% , 4%, 5%, 6% , or 7% CO
2

T-shape connector
 Samping line
7.3.8.2 Calibration Procedures
NOTE

During the calibration, selecting [
Calibrate
] again does not take effect or exit the
calibration menu. Other operations than menu options are disabled until the end of
calibration.