Mindray WATO EX-55, Service Manual

Page: 52 / 322

3-16
3.9.2 Test the O
2
Concentration Monitoring and Alarms
NOTE
z
This test is not required if O
2
sensor is not configured.
1. Set the bag/mechanical ventilation switch to the position.
2. Remove the O
2
sensor and make sure that the sensor measures approximately 21% O
2
in
room air.
3. Select the [
Alarm Setup
] shortcut key and then [
Ventilator >>
]. Set the FiO
2
low alarm
limit to 50%.
4. Make sure that a low FiO
2
alarm occurs.
5. Set the FiO
2
low alarm limit to a value less than the measured FiO
2
value and make sure
that the alarm cancels.
6. Put the O
2
sensor back in the circuit.
7. Select the [
Alarm Setup
] shortcut key and then [
Ventilator >>
]. Set the FiO
2
high
alarm limit to 50%.
8. Connect the manual bag to the manual bag port. Push the O
2
flush button to fill the
manual bag. After two to three minutes, make sure that the sensor measures
approximately 100% O
2.
9. Make sure that a high FiO
2
alarm occurs.
10. Set the FiO
2
high alarm limit to 100% and make sure that the alarm cancels.
3.9.3 Test the Low Minute Volume (MV) Alarm
1. Make sure that MV alarm is turned on.
2. Select the [
Alarm Setup
] shortcut key and then [
Ventilator >>
]. Set the MV low alarm
limit to 8.0 L/min.
3. Make sure that a low MV alarm occurs.
4. Select the [
Alarm Setup
] shortcut key and then [
Ventilator >>
]. Set the MV low alarm
limit to the default.