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107
Message, cause and remedy
Messages on the system screen
(In alphabetical order according to priority)
Messages
Cause
Remedy
ECG N ? !
ECG LA ? !
ECG LL ? !
ECG RA ? !
ECG V ? !
ECG electrodes disconnected.
Secure electrodes.
FI O2 CAL ? !
The mainstream FiO
2
sensor has not been
calibrated.
Change lead/sensor.
Calibrate the FiO
2
sensor
manually.
Fl O2 INOP !
Sensor calibrated incorrectly?
Sensor changed and/or not calibrated?
Sensor exhausted?
Sensor not plugged in?
Sensor lead defective?
Dräger sensor cell not used?
Calibrate sensor.
Calibrate sensor.
Replace and calibrate cell.
Plug in sensor connector.
Replace sensor housing.
Use original sensor cell.
FLOW INOP !
Flow sensor / flow sensor lead defective? Flow
sensor not plugged in? Flow sensor soiled?
Replace lead / sensor and
calibrate sensor.
Plug in sensor connector.
FLOW SENSOR ? !
No gas flow detected by flow sensor although
ventilation evidently proceeding correctly.
Check flow sensor, replace if
necessary.
Check flow sensor lead.
FRESH GAS ? !
The econometer indicates that the fresh gas reserve
in the manual breathing bag is too low.
(This message is programmed by Dräger Service
on request).
Increase the fresh gas flow. If
necessary, repair leakage in the
hose system.
HORN INOP !
Loudspeaker defective. Alarm tone deactivated.
Call DrägerService
NO S-T !
S-T analysis not possible.
Check electrode positions.
N2O INOP !
N
2
O gas measurement faulty.
Call DrägerService
NIBP ARTEFACT !
Movement artefacts detected during measurement.
Secure limb if necessary.
Measurement is repeated
automatically.
NIBP DEFEKT !
Interner elektronischer oder pneumatischer Fehler.
Call DrägerService
PB 8800 COM !
The parameter box is disconnected.
PBOX
G
OFF !
Parameter box alarms inactive.