
Re-select 'Spont Mode' and select 'SIMV'
NB: If absorber switch is not enabled in service menu, message will read 'Absorber in
vent mode?' Press 'SIMV' once again.
13.8
Operate Test Lung very gently (by hand)
Check that occasional ventilator assistance is given.
13.9
Stop operation of test lung.
Ensure test lung is ventilated at the default settings. 600 ml; 6 bpm; 2 sec Ti
13.10 Switch ventilator to 'Standby'
From the 'Special Modes' menu select SMMV.
Re-select 'Spont Mode' and select 'SMMV'
NB: If absorber switch is not enabled in service menu message will read 'Absorber in
vent mode?' Press 'SMMV' once again.
13.11
Operate Test Lung very gently (by hand)
Check that occasional ventilator assistance is given.
Check that the measured Minute Volume is 3.6 litres
13.12 Stop operation of test lung
Ensure test lung is ventilated at the default settings. 3.6 litres; 6 bpm; 2 sec Ti
13.13 Switch ventilator to 'Standby'
From the 'Special Modes' menu select Pressure.
Re-select 'Spont Mode' and select 'PSV'
NB: If absorber switch is not enabled in service menu message will read 'Absorber in
vent mode?'
Press 'PSV' once again.
13.14 Operate Test Lung (by hand) and check that occasional ventilator assistance is given
with a pressure of 10 cmH2O.
13.15 Stop operation of test lung and ensure pressure reading falls to zero and after 30 sec
delay check 'Low Tidal Volume' alarm triggered and 'Vt meas.' shows '= = ='.
14
Volume Cycle & Flow Compensation Tests (every 6 months)
14.1
Switch Ventilator to 'Volume ' Mode
14.2
Set 'Vt' to 600 ml, 'BPM' to 10, 'I:E' to 1:2 and 'Pressure Limit' to 80.
14.3
Verify approximately 600 ml is delivered as indicated on bellows canister.
14.4
Press 'Insp Pause' check 25% pause during the inspiratory phase.
14.5
Check measured display indicates 600 ml +/- 50ml on 'Vt Meas'
14.6
From Menu select Fresh Gas compensation OFF.
14.7
The bellows still delivers 600 ml +/- 50 ml but the measured volume will reduce to
approximately 500 ml with a standard test lung
SERVICE SCHEDULE
61
Summary of Contents for AV-S
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