
Instructions for use Fabius plus SW 3.n
167
Troubleshooting
(22)
MINUTE VOLUME LOW !!
The minute volume is below
the lower alarm limit.
Check the breathing sys-
tem and alarm limit.
Hose blocked/kinked.
Check breathing system.
Leakage in breathing system. Check breathing system.
Reduced volume due to pres-
sure limitation.
Check setting for
PMAX
.
Reduced lung compliance.
Check ventilator settings.
Flow sensor not calibrated or
faulty.
Perform the procedure for
calibration of the flow sen-
sor, (see page 133).
Replace sensor and cali-
brate.
(31)
NO FRESH GAS !!!
Insufficient fresh-gas supply. Ensure sufficient fresh-gas
supply.
Valve for fresh-gas delivery is
closed. Underpressure safety
valve is automatically
opened.
Open valve for fresh-gas
delivery.
(6)
O
2
SENSOR CAL DUE !
More than 18 hours have
passed since the last O
2
sen-
sor calibration.
Perform the procedure for
calibration of the O
2
sensor
(see page 134).
(8)
O
2
SENSOR FAIL !
The O
2
sensor was not cor-
rectly calibrated.
Perform the procedure for
calibration of the O
2
sensor
(see page 134).
O
2
sensor replaced and/ or
not calibrated.
Perform the procedure for
calibration of the O
2
sensor
(see page 134).
O
2
sensor used up.
Replace the sensor cap-
sule and calibrate it, (see
page 134).
O
2
sensor not connected.
Sensor cable faulty.
Connect O
2
sensor unit.
Replace O
2
sensor housing
unit.
(30)
O
2
SUPPLY LOW !!!
The value for the O
2
supply
line has fallen below the per-
missible minimum pressure
of 20 psi (approx. 1.4 kPa x
100).
Check O
2
supply and
backup cylinder.
(9)
PEEP HIGH !
In
ManSpont
mode,
PEEP
is
above 8 cmH
2
O (hPa).
Check APL valve setting
and/or fresh-gas flow.
Alarm
priority
Alarm
Cause
Remedy