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Troubleshooting
5-10 Monitoring SpO
2
Troubleshooting
The table below lists system messages that you may encounter when monitor-
ing SpO
2.
Table 5-2 System Messages
Problem or Message Possible Cause Corrective Action
6S21RQ3XOVDWLOH
Pulse absent or too
weak to be detected.
Check the sensor is
applied properly.
Make sure the sensor
site has a pulse.
Relocate the sensor to
a site with improved
circulation.
Try another sensor
type.
6S2/RZ6LJQDO
SpO
2
signal is too low
to give an accurate read-
ing.
Check the sensor is
applied properly.
Try another sensor
type.
6S21RLV\6LJQDO
Excessive patient move-
ment, electrical interfer-
ence, or optical
interference.
Minimize patient
motion or apply sen-
sor to site with less
movement.
Secure the sensor
cable loosely to the
patient.
Reduce sources of
electrical or optical
interference.
6S2/LJKW,QWHUI
The level of ambient
light is so high that the
sensor cannot obtain an
SpO
2
reading.
Sensor or cable is dam-
aged.
Cover sensor with an
opaque material.
Check sensor for dam-
age; try another sen-
sor.