Operator's Manual

Table Of Contents
Rad-97 Chapter 14: Troubleshooting
www.masimo.com 170 Masimo
Symptom Potential Causes Next Steps
Difficulty obtaining a
reading.
Inappropriate
sensor or sensor
size.
Improper sensor
type or application.
Low perfusion.
Excessive motion
artifact.
Excessive ambient
or strobing light.
Low battery/ not
plugged into AC
power supply.
Interference from
line
frequency-induced
noise.
Allow time for parameter reading
to stabilize.
Verify sensor type and size and
re-apply sensor. See Directions for
Use for sensor.
Check if blood flow to the sensor
site is restricted.
Check the placement of the
sensor. Re-apply sensor or move
to a different site.
Replace sensor.
Verify the device and sensor are
configured with the parameter.
Verify proper sensor and sensor
size for the patient.
Shield the sensor from excessive
or strobing light.
Minimize or eliminate motion at
the monitoring site.
Connect AC power supply.
Verify and set 50 or 60Hz menu
setting. See Localization on page
97.
Parameter readings
displayed as dashes.
Parameter may not
have stabilized.
Device may not be
configured with the
parameter.
Sensor is not
compatible with
the parameter.
Allow time for parameter reading
to stabilize.
Verify sensor type and size and
re-apply sensor. See Directions for
Use for sensor.
Check if blood flow to the sensor
site is restricted.
Check the placement of the
sensor. Re-apply sensor or move
to a different site.
Replace sensor.
Verify the device and sensor are
configured with the parameter.