3 Patient Alarms and INOPs
85
EEG INOPs
<tcGas Label> EQUIP
MALF
Numeric is replaced by -?-
INOP tone
There is a malfunction in the transducer or module. Connect another transducer. If this INOP persists,
contact your service personnel.
<tcGas Label> NO
TRANSDUC
Numeric is replaced by -?-
INOP tone
No transducer is connected to the tcpO
2
/tcpCO
2
module. Silencing the alarm switches off the
measurement.
<tcGas Label>
STABILIZING
Numeric is replaced by ?
The transducer has not yet reached the selected temperature and/or skin hyperemization is not yet
finished. This INOP will disappear within three minutes.
<tcGas Label>
UNPLUGGED
Numeric is replaced by -?-
INOP tone
The measurement is switched on but the module is unplugged.
The measurement automatically disappears from the display. Silencing this INOP switches off the
measurement.
INOP Message, Indication What to do
INOP Message, Indication What to do
EEG EQUIP MALF
INOP tone
The EEG hardware is faulty. Contact your service personnel.
EEG IMPEDANCE HIGH
EEG1 IMPED. HIGH
EEG2 IMPED. HIGH
The signal electrode in one or both channels exceeds the user-selected impedance limit, or the
impedance of a single electrode exceeds the limit. Check the impedance. If the impedance is too high,
reconnect the electrodes according to the EEG monitoring setup guidelines. If the INOP persists,
contact your service personnel.
EEG LINE NOISE
EEG1 LINE NOISE
EEG2 LINE NOISE
Excessive line noise has been detected in either channel EEG1 or EEG2, or in both EEG channels.
Keep all cables together and away from metallic bodies, other cables & radiated fields.
EEG MUSCLE NOISE
EEG1MUSCLE NOISE
EEG2MUSCLE NOISE
Too much power above 30 Hz has been detected in channel EEG1 or EEG2, or both.
Check the Electrode-to-Skin Impedance and reposition the electrode away from possible muscle
activity, if necessary.
EEG NO TRANSDUC
INOP tone
The trunk cable is disconnected from the EEG plug-in module. Reconnect the trunk cable. Silencing
this INOP switches the measurement off.
EEG UNPLUGGED
INOP tone
Plug in module. Silencing this INOP switches off the measurement.
EEG1 LEAD OFF <n>
EEG2 LEAD OFF <n>
[n = electrode]
Reconnect specified electrode.
EEG1 LEAD OFF
EEG2 LEAD OFF
at Information Center
One or more electrodes are not connected. Check in the EEG Impedance / Montage window on
the monitor which electrode(s) are affected and reconnect the electrodes.
EEG1 LEADS OFF
EEG2 LEADS OFF
Two or more electrodes are not connected. Check in the EEG Impedance / Montage window
which electrodes are affected and reconnect the electrodes.
EEG1 OVERRANGE
EEG2 OVERRANGE
Input signal is too high in one or both channels. This is usually caused by interfering signals such as
line noise or electrosurgery.
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