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Technical Alarm Messages (INOPs)
INOP Message, Indication
EEG IMPEDANCE HIGH or
EEG1 and/or EEG2 IMPED. HIGH
EEG<X> LEAD OFF <n>
[X = channel, n = electrode]
EEG<X> LEAD OFF
[X = channel]
at Information Center
EEG<X> LEADS OFF
[X = channel]
EEG LINE NOISE
EEG 1 or 2 LINE NOISE
EEG MUSCLE NOISE
EEG 1 or 2 MUSCLE NOISE
EEG NO TRANSDUCER
INOP tone
EEG UNPLUGGED
INOP tone
EEG OVERRANGE, or
EEG<X> OVERRANGE
FAP INOPS
FMS UNPLUGGED
INOP tone.
FMS UNSUPPORTED
INOP tone.
IC1/IC2 INOPS
ICP INOPs
Indep.Dsp Malfunc.
Indep.Dsp NotSupp.
!!INSERT BATTERY
Severe yellow INOP tone.
During this INOP, alarms cannot be
paused or switched off.
Intell.Dsp Malf.
INOP tone
Source
What to do
EEG
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
Reconnect specified electrode.
EEG
One or more electrodes are not connected. Check in the
Impedance/Montage
electrode(s) are affected and reconnect the electrodes.
EEG
Two or more electrodes are not connected. Check in the
Impedance/Montage
affected and reconnect the electrodes.
EEG
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
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
The trunk cable is disconnected from the EEG plug-in module.
Reconnect the trunk cable. Silencing this INOP switches the
measurement off.
EEG
Plug in module. Silencing this INOP switches off the
measurement.
EEG
Input signal is too high in one or both channels. This is usually
caused by interfering signals such as line noise or electro-
surgery. X denotes the EEG channel.
PRESS
See <Pressure label> INOPS (under Pressure).
FMS
Make sure that the Flexible Module Rack is connected to the
monitor. All FMS measurements are off while the FMS is
unplugged.
FMS
The Flexible Module Rack is not supported by your monitor.
Contact your service personnel.
PRESS
See <Pressure label> INOPS (under Pressure).
PRESS
See <Pressure label> INOPS (under Pressure).
Display
A problem has occurred with the second main display. Contact
your service personnel.
Display
The monitor does not support a second main display. The
monitor software is incompatible. Contact your service
personnel.
Battery
X2/MP2 only: There is no battery in the battery compartment.
You cannot operate the monitor on AC mains while the battery
compartment is open (not sealed with a battery). Load a
battery immediately.
Display
There is a problem with the Intelligent Display. Check the
MSL coupling cable then contact your service personnel.
5 Patient Alarms and INOPs
window on the monitor which
window which electrodes are
EEG
EEG
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