F-48 624074/07
F Pulse oximetry
0000 0400 Unrecognized sensor. Reconnect the sensor. If
this does not resolve the
issue, replace the sensor.
0000 0800 Defective sensor. Replace the sensor.
0010 0000 Sensor initializing. Wait. This is a normal
process.
0020 0000 Sensor off patient. Check the patient and
adjust the sensor posi-
tion.
0040 0000 Pulse search. Wait. This is a normal
process. If it takes too
long, check the patient
and adjust the sensor
position.
0080 0000 Interference detected. Check the patient and
adjust the sensor posi-
tion.
0100 0000 Low Perfusion Index. Check the patient and
adjust the sensor posi-
tion.
1000 0000 Check sensor connection. The
sensor is defective.
Replace the sensor.
2000 0000 SpO
2
only mode Only SpO
2
measure-
ments are enabled or
available.
Table F-12. Troubleshooting Masimo issues
Code or Issue Description Action
For details on Masimo information codes, see Section F. 7 .