Mindray WATO EX-55Pro, Service Manual

Page: 231 / 474

7-35
Failure
Description
Possible Cause Recommended Action
selected, the
ventilation sound is
heard. The prompt
message
"Calibration
Failure! Please try
again." is displayed
very soon. inspiratory, expiratory, ventilator
pressure sensor, or PEEP pressure
sensor is not connected or is
connected incorrectly. For details,
see section 5.4.
The maximum pressure generated
by the PEEP valve is smaller than
95 cm H2O. For details, see
section 5.4. Replace the expiratory valve assembly.
1. An error occurs in the
pneumatic circuit connection
between the anesthesia machine
calibration device and the VCM.
2. An error occurs in the
communication connection
between the anesthesia machine
calibration device and the
anesthesia machine.
3. The anesthesia machine
calibration device is set
incorrectly. 1. Check the pneumatic circuit
connection between the anesthesia
machine calibration device and the
VCM. Reconnect the pneumatic circuit
if necessary.
2. Check the communication
connection between the anesthesia
machine calibration device and the
anesthesia machine, or reconnect them
to ensure normal communication.
Replace the communication cable if the
problem persists.
3. Check the settings of the anesthesia
machine calibration device. Set the
anesthesia machine again if necessary.
The prompt
message
"Calibration
Failure! Please try
again." is displayed
15 minutes after
calibration is
started. The calibration data is incorrect:
The measured range of the sensor
is abnormal, the calibration data
does not satisfy monotonicity, or
the sensor resolution is incorrect.
For details, see section 3.7.5. Replace the VCM.
[00000002] is
displayed. Drive gas pressure is low. 1. Change or connect the gas supply
to ensure that the drive gas pressure is
within the range of 350 – 450 kPa.
2. Check the drive gas switch if the
drive gas source is in proper condition.
[00000004] is
displayed. The Auto/Manual switch is in
Manual position. 1. Check whether the Auto/Manual
switch is set to the Auto position.
2. Check whether the Auto/Manual