Dräger Fabius OS Instructions For Use Manual page 143

Priority Alarm Message
!! MINUTE VOLUME HIGH
(14)
!! MINUTE VOLUME LOW
(22)
!!! NO FRESH GAS
(31)
! O2 SENSOR CAL DUE
(6)
! O2 SENSOR FAIL
(8)
Instructions for Use Fabius OS SW 3.n
Probable Cause
Minute volume has exceeded
upper alarm limit.
Flow sensor has not been cali-
brated.
Sensor faulty.
Minute volume has fallen
below lower alarm limit. Blo-
cked/kinked hose.
Leak in breathing system.
Reduced volume due to pres-
sure limitation.
Reduced lung compliance.
Flow sensor not calibrated or
faulty.
Inadequate fresh-gas supply.
Fresh-gas control valve closed
Negative pressure safety relief
valve opens automatically.
More than 18 hours passed
since last O sensor calibra-
2
tion.
O sensor has not been cor-
2
rectly calibrated.
O sensor replaced and/or not
2
calibrated.
O sensor used up.
2
O sensor disconnected.
2
Faulty sensor cable.
Fault-Cause-Remedy
Remedy
Calibrate flow sensor.
Replace if necessary.
Check breathing circuit and
alarm limit.
Check breathing circuit.
Check breathing system.
Check P setting on ventila-
MAX
tor control panel.
Check ventilator settings.
Follow the procedure to calib-
rate flow sensor (see
page 110), and replace if
necessary.
Ensure adequate fresh-gas
supply.
Open fresh-gas control valve.
Follow the procedure to calib-
rate O sensor (see page 111).
2
Follow the procedure to calib-
rate O sensor (see page 111).
2
Follow the procedure to calib-
rate O sensor.
2
Replace sensor capsule and
calibrate.
Connect O sensor assembly.
2
Replace O sensor housing
2
assembly.
143