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INOP Message, Indication
BIS SENSOR DISCONN
INOP tone
BIS SENSOR INCOMPT
INOP tone
BIS SENSOR MALFUNC
INOP tone
BIS SENSOR USAGE
INOP tone
BIS SQI < 15% (INOP tone)
OR
BIS SQI < 50% (no INOP
tone)
BIS UNPLUGGED
INOP tone
BISx DISCONNECTED
INOP tone
BISx INCOMPATIBLE
INOP tone
BISx MALFUNCTION
INOP tone
Spirometry INOPs
INOP Message, Indication
AWFCHANGE SCALE
AWPCHANGE SCALE
AWVCHANGE SCALE
SPIRO ALARMS SUPPR
SPIRO CANNOT MEAS
SPIRO GAS COMPENS?
SPIRO INCOMPATIBLE
SPIRO MALFUNCTION
What to do
The sensor is not properly connected to the patient interface cable (PIC) and/or the PIC is not
properly connected to the DSC or BISx, or the sensor or PIC or DSC or BISx may be faulty.
Check all the connections.
Disconnect and reconnect the sensor, PIC, DSC, BISx.
If the INOP persists, replace the sensor.
If the INOP persists, replace PIC. If INOP persists, contact your service personnel.
Silencing this INOP switches the measurement off.
Unsupported sensor connected or sensor type unknown or not supported by your software revision.
Replace the sensor, using only Philips supported sensors.
Malfunction in the sensor hardware, most often caused by liquids permeating into the connectors OR
patient interface cable (PIC) or DSC or BISx may be faulty.
Replace the sensor. Manually initiate a Cyclic Impedance Check. Make sure all electrodes pass the test.
Make sure that the both sides of the PIC connector (between PIC and sensor) are dry. If you are not
sure that the connector is dry, replace the PIC until it has dried. If this INOP persists, contact your
service personnel.
Excessive sensor usage. Replace sensor.
A Cyclic Impedance Check will start automatically.
If the signal quality is below 50%, BIS numerics cannot be reliably derived.
If the signal quality is below 15%, no BIS numerics can be derived.
This may occur as a result of artifacts such as those generated from motion or the presence of
electrocautery devices. Make sure the sensor is properly attached to the patient. Manually initiate a
Cyclic Impedance Check. Make sure all electrodes pass the test. Make sure the patient is completely
relaxed (even small motions of the facial muscles affect the signal quality).
Plug in the BIS module. Silencing this INOP switches off the measurement.
The BISx is not connected to the BIS module or the BIS interface board. Silencing this INOP switches
the measurement off.
The BISx software is not compatible with the BIS module or with the MP20/MP30 monitor software.
A software upgrade may be required. Contact your service personnel.
The BISx is faulty. Disconnect and reconnect it to the module or BIS interface board. If the INOP
persists, replace the BISx.
MP20/MP30 - Malfunction on interface board. If the INOP persists, contact your service personnel.
What to do
Airway flow signal exceeds range of selected scale. Adjust scale to display complete wave.
Airway pressure signal exceeds range of selected scale. Adjust scale to display complete wave.
Airway volume signal exceeds range of selected scale. Adjust scale to display complete wave.
Alarming is suppressed for the spirometry module.
Measurement is at its limit, e.g. ambient pressure out of range.
Gas compensation is set to Gas Analyzer but not all gases necessary for compensation are
measured by a gas monitor. Some of the fall-back values provided by the user are used. Measurement
accuracy might be reduced.
Module revision not compatible with the host monitor software revision. Contact your service
personnel.
Module failure detected. Contact your service personnel.
3 Patient Alarms and INOPs
87

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