User's Manual

11. Troubleshooting
70
SpO
2
(LX-7230N)
Message Cause Solution
Probe is off. Check the attached condition
of the probe.
Faulty Probe. Replace the probe with new
one.
Check the attached condition
of the probe.
SpO
2
is not
measured correctly.
Cover the probe with an
opaque material to cut off
the outside light.
Due to excessive
body motion, SpO
2
is not measured
correctly
Keep the patient still.