Mindray WATO EX-55, Service Manual

Page: 53 / 322

3-17
3.9.4 Test the Apnea Alarm
1. Connect the manual bag to the manual bag port.
2. Set the bag/mechanical ventilation switch to the position.
3. Turn the APL valve control to set the APL valve to the minimum position.
4. Inflate the manual bag to make sure that a complete breathing cycle occurs.
5. Stop inflating the manual bag and wait for at least 20 seconds to make sure that the
apnea alarm occurs.
6. Inflate the manual bag to make sure that the alarm cancels.
3.9.5 Test the Sustained Airway Pressure Alarm
1. Connect the manual bag to the manual bag port.
2. Turn the O
2
flow control to set the O
2
flow to minimum.
3. Turn the APL valve control to set the APL valve to 30 cmH
2
O position.
4. Set the bag/mechanical ventilation switch to the position.
5. Push the O
2
flush button for approximately 15 seconds. Make sure that the sustained
airway pressure alarm occurs.
6. Open the patient connection and make sure that the alarm cancels.
3.9.6 Test the High Paw Alarm
1. Set the bag/mechanical ventilation switch to the position.
2. Select the [Alarm Setup] shortcut key and then [
Ventilator >>
].
3. Set the Paw low alarm limit to 0 cmH
2
O and Paw high alarm limit to 5 cmH
2
O.
4. Make sure that a high Paw alarm occurs.
5. Set the Paw high alarm limit to 40 cmH
2
O.
6. Make sure the high Paw alarm cancels.