Symptoms 20 Troubleshooting
257
SpO
2
Sensor Malfunction
INOP.
The SpO
2
numeric value is
replaced with a -?-.
The SpO
2
sensor or cable is faulty. • Try another sensor.
• If the problem persists, call for service of the SpO
2
module. If SpO
2
monitoring is essential to patient
care, take the device out of use.
SpO
2
Equip Malfunction
message.
Faulty SpO
2
hardware. • Call for service of the SpO
2
module. If SpO
2
monitoring is essential to patient care, take the
device out of use.
SpO
2
Extended Update INOP.
The SpO
2
numeric value is
replaced with a -?-.
An NBP measurement or an
excessively noisy signal is delaying
display/update of the SpO
2
measurement for more than 60
seconds.
• Wait until the NBP measurement is complete.
• Try another sensor site.
• Move sensor to a different limb from the NBP cuff.
SpO
2
Low Perfusion INOP.
The SpO
2
numeric value is
replaced with a -?-.
The SpO
2
signal is too low to give
an accurate reading.
• Check the sensor is applied properly.
• Try another sensor type.
Table 6 5 SpO
2
Monitoring Problems (Continued)
Symptom Possible Cause Possible Solution
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