Fault - Cause - Remedy - Dräger Evita 2 Instructions For Use Manual

Fault - Cause - Remedy
The alarm messages on the indicator panel are given in
The following table is an aid for recognising causes of
order of priority.
alarms and their speedy remedies.
If, for example, two faults are recognised simultaneously.
the more serious fault will be displayed.
Message
Fault 1 Remedy
Ventilation alarms:
MV high
airway pressure high
Patient 'fights' the ventilator.
airway pressure low
Leaking cuff.
Leak or disconnection.
502 low
702 high
apnoea
lolume not constant
LSB>4s
ligh frequency
emperature high
104
Leak in breathing system.
Loss of volume due to pressure limitation.
Flow sensor not calibrated, or faulty.
Malfunction of machine.
Flow sensor not calibrated, or faulty.
Malfunction of machine.
01 sensor not calibrated.
Faulty 02 mixer.
01 sensor not calibrated.
Faulty 02 mixer.
Flow sensor not calibrated, or faulty.
Patient's spontaneous breathing ceases,
Due to pressure or time limitation, the
set tidal volume VT has not been given.
The ASB cycle was switched off 3 times
due to time limitations.
Patient breathes with a high
spontaneous freouencv.
3reathing gas temperature greater
:han 40°C.
Establish leak-proof breathing system.
Correct ventilation pattern.
Calibrate flow sensor, p. 19, replace if
necessary.
Call DriigerSewice.
Calibrate flow senior, p.19, replace if
necessary.
Call DrPoerService.
Change ventilation pattern or tranquilise if
necessary, or change ventilation modes.
Inflate cuff and perform pressure low leak tes
Check hose system for tight connections,
tighten clamping screw on patient system.
Calibrate 02 sensor, page 17.
Call DrlgerService.
Calibrate 02 sensor, page 17.
Call DrlgerService.
Calibrate flow sensor, page 19,
replace if necessary.
Apply controlled ventilation.
Prolong inspiratory time (reduce fwv,
increase TI:TE)
Or
increase inspiratory flow V or pm.
Leak test ventilation system.
Switch off humidifier.
Call DrsgerService.
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