Power Failure Test; Occlusion Test - Covidien Puritan Bennett 560 User Manual

Alarms Tests
E.2

Power Failure Test

Note:
If the ventilator is operating on either the external power supply or the internal battery, you must plug it in
to an AC power source before beginning this test.
1. Disconnect the ventilator from its AC power supply. Ensure that the following events
occur:
• the Medium priority indicator (yellow colour) illuminates
• the "AC POWER DISCONNECTION" alarm activates
• an audible alarm sounds
• the DC POWER indicator illuminates if the DC power source is connected; otherwise,
the INTERNAL BATTERY indicator illuminates
2. Press the ALARM CONTROL
3. Reconnect the ventilator to its AC power supply.
E.3

Occlusion Test

Note:
Occlusion testing can only be done in Pressure modes.
1. Verify that the pressure tube of the patient circuit is properly connected to the appropriate
fitting on both the ventilator and the proximal pressure port (refer to section
Circuit").
2. Block the patient wye at the end of the patient circuit. Refer to
3. Press the VENTILATION ON/OFF
4. Allow the ventilator to deliver three (3) consecutive breaths. At the beginning of the fourth
breath, ensure that the following events occur:
• the High priority indicator (red colour) illuminates
• the "Occlusion" alarm activates
• an audible alarm sounds
5. Press the ALARM CONTROL
6. Unblock the patient wye.
• The alarm is cancelled.
E-2
key twice to reset the alarm.
Figure E-1. Blocking the Patient End of a Patient Circuit
key to start ventilation.
key to silence the alarm.
4.4, "Patient
Figure E-1 on page E-2.
User's Manual