Hamilton G5 - Disconnection; Loss of Mains Power; Exhalation Obstructed; Apnea

4-22 624074/07
4 Tests, calibrations and utilities
4.4.4 Disconnection
1. Disconnect the inspiratory limb or the demonstration lung.
2. Verify that the
Disconnection alarm activates.
3. Reconnect the inspiratory limb or the demonstration lung.
4. Verify the alarm resets and the device automatically
resumes ventilation.
4.4.5 Loss of mains power
1. Turn the device ON (AC power source).
2. Disconnect the power cord.
3. Verify that the
Loss of mains power alarm activates and
that the power source shifts to the backup battery without
interruption of service.
4. Reconnect the to AC power.
5. Verify that the alarm resets and the device show the power
source is again AC mains.
4.4.6 Exhalation obstructed
1. Block the expiratory valve exhaust port.
2. Observe the pressure rise.
3. Verify the
Exhalation obstructed alarm activates after
the
High pressure alarm.
4.4.7 Apnea
1. Put the device into the SPONT mode.
2. Switch apnea backup ventilation OFF.
3. Squeeze the demonstration lung several times to trigger
a breath. Wait for the set apnea time.
4. Verify that the
Apnea alarm activates.
5. Squeeze the demonstration lung again.
6. Verify that the trigger indicator is displayed and the
Apnea
alarm resets.