5 Patient Alarms and INOPs Technical Alarm Messages (INOPs)
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SPIRO PURGE FAILED Spirometry The purge operation could not be completed successfully.
Check for kinked sensor tubings, hard occlusions and make
sure that the pump is running and all valves are switching.
SPIRO UNKN. SENSOR Spirometry An unknown sensor ID code was detected. Use only the sensors
listed in the Accessories chapter.
SPIRO ALARMS SUPPR Spirometry Alarming is suppressed for the spirometry module.
SPIRO PURGING Spirometry A purge operation is in progress - no data update on the screen.
Wait until purge is complete.
SPIRO NO SENSOR Spirometry No sensor detected. Make sure the correct sensor is attached to
the breathing circuit.
SPIRO NO BREATH Spirometry No breath was detected for more than 25 seconds. Breath
derived numerics are not available.
SPIRO GAS COMPENS? Spirometry 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.
SPIRO PATIENT CAT. Spirometry Mismatch of patient size configured in the host monitor and
sensor type plugged into the module. Check the instructions
on selecting the correct sensor in the Spirometry chapter.
SpO
2
CHK SOURCES
Numeric is replaced by -?-
SpO
2
Difference
Not all measurements or values required to perform the
calculation are available. Check measurement sources.
SpO
2
CHK UNITS
Numeric is replaced by -?-
SpO
2
Difference
The monitor has detected a conflict in the units used for this
calculation. Check the unit settings.
<SpO
2
label> DEACTIVATED
INOP tone
SpO
2
The SpO
2
measurement label in the measurement device has
been deactivated by deactivating the label in the Measurement
Selection window. The measurement automatically disappears
from the display. To switch the measurement on again,
reactivate the measurement label in the Measurement Selection
window.
<SpO
2
label> EQUIP MALF
Numeric is replaced by -?-
INOP tone.
SpO
2
The MMS or module is faulty. Unplug and replug the MMS or
module. If the INOP persists, contact your service personnel.
<SpO
2
label> ERRATIC
Numeric is replaced by -?-
INOP tone.
SpO
2
Check the sensor placement. Try another adapter cable and
sensor. If the INOP persists, contact your service personnel.
<SpO
2
label> EXTD. UPDATE
Label is displayed with a -?-
(questionable numeric)
SpO
2
The update period of displayed values is extended due to an
NBP measurement on the same limb or an excessively noisy
signal.
<SpO
2
label> INTERFERNCE
Numeric is replaced by -?-
INOP tone.
SpO
2
There is too much interference, caused by a high level of
ambient light and/or electrical interference. Cover the sensor to
minimize ambient light. If the INOP persists, make sure that
the sensor cable is not damaged or positioned too close to
power cables.
<SpO
2
label> LOW PERF
Label is displayed with a -?-
(questionable numeric)
SpO
2
Accuracy may be compromised due to very low perfusion.
Stimulate circulation at sensor site. If INOP persists, change
the measurement site.
<SpO
2
label> NOISY SIGN.
Numeric is replaced by -?-
INOP tone.
SpO
2
Excessive patient movement or electrical interference is causing
irregular pulse patterns. Try to reduce patient movement or to
relieve the cable strain on the sensor.
INOP Message, Indication Source What to do
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