Title: Final Test 8500 Document No: 129TP000 Sheet 7 of 17
BLEASE QUALITY DOCUMENT
BQD 083.V2
25/5/94 Checked:-________
5.6 Battery Back Up
Turn the ventilator OFF for at least 5 seconds and isolate from the mains supply.
Turn the ventilator ON to adult mode and listen for the vent mains fail alarm to activate.
Switch off the ventilator.
Reconnect the mains supply to the ventilator and observe that it starts up as normal.
Isolate from the mains supply again and verify the battery on charge indicator goes off
after one minute and the mains fail alarm activates for a few seconds.
Verify that after one minute of mains failure the mains fail alarm activates again for a few
seconds and the screen backlight goes off. Check the SET UP screen comes on and remains
on until the next alarm sounds.
Reconnect the mains supply and check that the battery on charge indicator turns on and the
mains fail indicator turns off.
5.7 Compliance test
Conect the ventilator using the relevant tubes, occlude the patient airway sensor. Switch the
ventilator on and say yes compliance compensation. Follow the on screen instructions. If the
compliance and leak tests are passed it is unlikely that there are any internal leaks.
Absorber Switching
The function of this will have been checked during compliance compensation and the presence
of an absorber will have been displayed.
5.8 Mute Timeout
Press the Alarm menu button, select MUTE TIME and set 120 seconds.
Press MUTE while there is an alarm condition, and note the audio mute time.
5.9 Supply Gas Low Alarm
With the ventilator in standby mode, reduce the supply gas pressure until the gas supply low
alarm just activates. Note the gas supply pressure.
Slowly increase the gas supply pressure until the gas supply alarm just deactivates and note the
pressure.
Restore supply pressure to 60 PSI.
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