6 Patient Alarms and INOPs
80
SpO₂ NOISY SIGN.
Numeric is replaced by a -?-
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.
SpO₂ NON-PULSAT.
Numeric is replaced by a -?-
INOP tone.
SpO
2
Check the perfusion at measurement site. If necessary, stimulate
circulation or change measurement site. If the INOP is due to
noninvasive blood pressure measurement on the same limb, wait
until the measurement is finished.
SpO₂ NO SENSOR
Numeric is replaced by a -?-
INOP tone.
SpO
2
Make sure the SpO
2
sensor is connected. If the INOP persists,
try another adapter cable and sensor. If you silence this INOP,
the measurement will be switched off.
SpO₂ POOR SIGNAL
Label is preceded by a
?(questionable numeric)
SpO
2
The signal condition of the SpO
2
measurement is poor and
measurement accuracy may be compromised.
SpO₂ PULSE?
Numeric is replaced by a -?-
INOP tone.
SpO
2
The detectable pulsations of the SpO
2
signal are outside the
specified pulse rate range.
SpO₂ SEARCHING
Numeric unavailable
SpO
2
SpO
2
is analyzing the patient signal to derive Pulse, and SpO
2
values. Please wait until the search analysis is complete.
SpO₂ SENSOR MALF
Numeric is replaced by a -?-
INOP tone.
SpO
2
The SpO
2
sensor or adapter cable is faulty. Try another adapter
cable and sensor. If the INOP persists, contact your service
personnel.
SpO₂ SENSOR OFF
Numeric is replaced by -?-
INOP tone.
SpO
2
The SpO
2
sensor is not properly applied to the patient. Apply
the sensor following the instructions supplied by the
manufacturer.
SpO₂ UNKN.SENSOR
Numeric is replaced by a -?-
SpO
2
The connected sensor or adapter cable is not supported by the
SpO
2
measurement. Use only specified sensors and cables.
SpO₂ UPGRADE
Label is replaced by a -?-, or
numeric is unavailable.
SpO
2
The SpO
2
measurement is currently in UPGRADE mode.
Monitoring is not possible in this mode.
TimeExpired:NST Monitor The time has expired for the NST timer. Clearing the timer
clears the INOP.
Toco EQUIP MALF
INOP tone
Toco There is a problem with the Toco hardware. Contact your
service personnel.
INOP Message, Indication Source What to do