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Repair Information
Troubleshooting Menus
SpO
2
: Failure
1
The system has detected
an unrecoverable failure
of the SpO
2
system.
1
Power cycle unit. If
message reappears,
contact Technical
Support.
SpO
2
: Low Perfusion
(Masimo/DPM only)
1
Patient perfusion is low.
1
Check to patient
connection and patient
status.
SpO
2
: Too Much Light
(Masimo/DPM only)
1
There is too much
ambient room light for the
sensor to function
properly.
1
Minimize the room light
around the patient. Check
sensor.
SpO
2
: Unrecognized Sensor
(Masimo SET Only)
1
The monitor does not
recognize the sensor.
1
Replace the sensor with a
recommended sensor.
SpO
2
: Communication Error
1
The monitor and the
SpO
2
modules are not
communicating properly.
1
Power cycle unit. If
problem persists, contact
Technical Support.
SpO
2
: Board Fault
(Masimo Only)
1
Masimo SET board failed
to operate properly.
1
See Proper Service Menu:
Suggestion.
SpO
2
: Sensor Fault
1
Defective Sensor.
1
Replace Sensor.
SpO
2
: Motion
(Nellcor Only)
1
Motion is detected.
1
Decrease patient motion,
check sensor.
SpO
2
: Weak Pulse
(Nellcor Only)
1
Low pulse amplitude.
1
Contact Technical
Support.
SpO
2
: Low Signal
(Nellcor Only)
1
The SpO
2
signal is too
low or too weak.
1
Check sensor placement,
move as necessary.
2
Switch limb / Notify
physician.
SpO
2
: Check Sensor
(Nellcor Only)
1
The SpO
2
module has
sensed a poor connection
or a bad sensor.
1
Reconnect the same
sensor. If problem
persists, replace sensor.
SpO
2
: Weak Signal
(Nellcor Only)
1
The SpO
2
signal is too
low or too weak.
1
Check patient.
2
Reposition sensor.
3
Change sensor.
Unable to obtain SpO
2
reading
1
Patient has poor
perfusion. Sensor not on
Patient.
2
Cables loose / not
connected.
3
Ambient light.
1
Switch limbs / Notify
physician.
2
Reapply sensor.
3
Check connections,
switch cable.
4
Switch limbs and cover
sensor with opaque
material.
No SpO
2
waveform
1
Waveform not selected to
Display.
2
Cable or sensor not
plugged in.
1
Go to the Display Setup
Menu, choose to display
Pleth in the waveform
area.
2
Check cable and sensor.
SpO
2
: Initialization Error
1
No response after send
order during
initialization.
1
Contact Technical
Support.
MESSAGE/ PROBLEM
REASON
SOLUTION