Mindray WATO EX-55, Service Manual

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4.4.4.3 Commonly-encountered Problems and Recommended Actions
Failure description Possible cause Recommended action
After the module is loaded,
the LED indicator on the
module is extinguished. The
system fails to identify the
module. The module hardware is
damaged. Return the module to factory
for repair.
After the module is loaded,
the LED indicator on the
module is flashing. 1. The loading name of
module software function is
not selected.
2. The loading name of
module software function is
selected. But the anesthesia
machine is not restarted or
the module is not re-plugged
in. 1. Select the loading name of
the desired module software
function in the module
selection menu and re-plug in
the module.
2. Restart the anesthesia
machine or re-plug in the
module.
After the module is loaded,
the LED indicator on the
module is permanently lit and
the hardkeys on the module
are ineffective. The hardkey connection line
is not connected or the
hardkey is damaged. Return the module to factory
for repair.
4.4.5 Load O2 Sensor Monitoring Function
The anesthesia machine provides online upgrade of O2 sensor monitoring function. When the
user wants to add the functional configuration of O2 sensor, the service engineer provides the
O2 sensor for the user as per the corporate procedures for adding parts configuration after
sales. The engineer can go to the site or guide the user on the phone to load the monitoring
function of O2 sensor.
1. (Guide the user to) mount the O2 sensor onto the circuit and connect the O2 sensor
cable.
2. Select the [
Maintenance
] shortcut key → [
User Maintenance >>
] → [
Set O2 Sensor
Monitoring >>
]. Select [
ON
] for [
O2 Sensor Monitoring
].
3. Select the [
User Setup
] shortcut key → [
O2 Monitoring Source >>
]. Select [
O2
Sensor
] in the [
O2 Monitoring Source
] menu to start the monitoring function of O2
sensor.
4. The FiO2 value is displayed on the normal screen.
5. Generally, you need to calibrate a new sensor to ensure its correct measurement. Refer
to
4.3.7O2 Sensor Calibration (optional)
for calibration.