Troubleshooting

5-10 Monitoring SpO2

Troubleshooting
The table below lists system messages that you may encounter when monitor-
ing SpO2.

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 SpO2 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
SpO2 reading.
Sensor or cable is dam-
aged.
Cover sensor with an
opaque material.
Check sensor for dam-
age; try another sen-
sor.