Dräger Fabius - Page 165

Instructions for Use Fabius MRI SW 3.n 165
Fault-Cause-Remedy
!!
(22)
MINUTE VOLUME LOW Minute volume has fallen
below lower alarm limit.
Blocked/kinked hose.
Leak in breathing system.
Reduced volume due to pres-
sure limitation.
Reduced lung compliance.
Flow sensor not calibrated or
faulty.
Check breathing circuit and
alarm limit.
Check breathing circuit.
Check breathing system.
Check P
MAX setting on ventila-
tor control panel.
Check ventilator settings.
Follow the procedure to cali-
brate flow sensor (see
page 134), and replace if nec-
essary.
!!!
(31)
NO FRESH GAS Inadequate fresh-gas supply.
Fresh-gas control valve
closed.
Negative pressure safety relief
valve opens automatically.
Ensure adequate fresh-gas
supply.
Open fresh-gas control valve.
!
(6)
O2 SENSOR CAL DUE More than 18 hours passed
since last oxygen sensor cali-
bration.
Follow the procedure to cali-
brate oxygen sensor (see
page 135).
!
(8)
O2 SENSOR FAIL O
2 sensor has not been cor-
rectly calibrated.
O
2 sensor replaced and/or not
calibrated.
O
2 sensor used up.
O
2 sensor disconnected.
Faulty sensor cable.
Follow the procedure to cali-
brate O
2 sensor (see
page 135).
Follow the procedure to cali-
brate O
2 sensor.
Replace sensor capsule and
calibrate.
Connect O
2 sensor assembly.
Replace O2 sensor housing
assembly.
!!!
(30)
O2 SUPPLY LOW O
2 supply line has less than
minimum pressure permitted
(approximately 20 psi)
(approximately 1.4 kPa x 100).
Check O2 supply and cylinder
backup.
!
(9)
PEEP HIGH PEEP is higher than 4 cmH
2O
(hPa) in ManSpont mode.
Check APL valve setting and/
or fresh gas flow.
!
(7)
POWER FAIL Mains not connected.
Facility power failure.
Connect mains.
!
(1)
PRES APNEA ALARM OFF Pressure alarms off in Man-
Spont.
!
(9)
PRESSURE LIMITING
Volume Control mode
Measured pressure equals or
exceeds P
MAX ventilator
setting.
Check ventilator and PMAX
settings.
Priority Alarm Message Probable Cause Remedy