Fault-Cause-Remedy
164
Instructions for Use Fabius MRI SW 3.n
!
(4)
FLOW SENSOR CAL DUE More than 18 hours passed
since last flow sensor calibra-
tion.
Cable has been removed and
reconnected.
Follow the procedure to cali-
brate flow sensor (see
page 134).
!
(8)
FLOW SENSOR FAIL Sensor cable is disconnected.
Flow sensor has not been
properly calibrated.
Sensor faulty.
Reconnect sensor cable to
sensor at breathing system.
Follow the procedure to cali-
brate sensor (see page 134).
Replace sensor and calibrate.
Call DrägerService or your
local authorized service orga-
nization.
!!
(21)
FRESH GAS LOW Inadequate fresh-gas supply in
all ventilation modes.
Blocked/kinked hose.
Breathing circuit disconnected
or leakage.
Ensure adequate fresh-gas
supply.
Check hoses.
Check breathing circuit.
!!
(13)
INSP O2 HIGH Inspiratory O
2 concentration
exceeds the upper alarm limit.
Check flowmeter settings and
O2 high alarm limit.
!!!
(31)
INSP O2 LOW Inspiratory O
2 concentration is
below lower alarm limit.
Check O2 supply. Check flow-
meter settings and O2 low
alarm limit.
!!
(11)
INSP PRES NOT REACH Plateau pressure is more than
3cmH
2O (hPa) below the
PINSP setting and the expected
PLAT while ventilating in Pres-
sure Control, Pressure Sup-
port, or SIMV/PS mode.
Check ventilator, patient cir-
cuit, and P
INSP settings.
!!
(14)
MINUTE VOLUME HIGH Minute volume has exceeded
upper alarm limit.
Flow sensor has not been cali-
brated.
Sensor faulty.
Calibrate flow sensor.
Replace if necessary.
Priority Alarm Message Probable Cause Remedy
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