The following tests are performed during the device
check:
– Correct operation of auxiliary and power failure alarms
– Seating and clear passage of the expiratory valve
– Seating of the flow sensor
– Seating of the neonate flow sensor
(if "NeoFlow" option is installed)
– Type of humidifier
– Completeness of hose system
– Function of the air-O2 changeover valve
– Function of the safety valve
– Gas supply
– Calibration of the flow sensor
– Calibration of the neonate flow sensor
(if "NeoFlow" option is installed)
– Calibration of the O2 sensor
– Leakproofing of the hose system
On completion of the device check, a checklist is
displayed on the screen to show the results of the check.
Correct result : ✓
Incorrect result : F
Check not performed : – –
In the event of incorrect results, e.g. if the hose system is
not sufficiently leakproof:
● Eliminate the cause of the fault
● Touch the »Repeat check« screen key
Only the tests with incorrect results are repeated.
After successful completion of the device check,
Evita 4 is ready for operation.
Either:
● immediately start up Evita 4 by pressing key »O «
or:
● leave Evita in standby mode
or:
● switch off Evita for later use.
Switch on back panel = pivot flap to the side and
press button in fully and release.
Preparation
Device Check
45
D Evita 4