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O3® Regional Oximeter
Chapter 6: Troubleshooting
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36
Masimo
Message
Displayed
Possible Cause
Action
Sensor Off
Patient
O3
®
Sensor is not
properly applied on the
patient.
Confirm that O3
®
Sensor is properly applied on
the patient. For more information, see
Directions
for Use
for the O3
®
Sensor.
O3
®
Sensor may be
defective.
Replace O3
®
Sensor.
O3
®
Module may be
defective.
Replace O3
®
Module.