Passport Vâ„¢ Service Manual 0070-10-0705 3 - 41
Repair Information Troubleshooting Menus
SpO
2
: Failure 1 The system has detected
an unrecoverable failure
of the SpO
2
system.
1Power cycle unit. If
message reappears,
contact Technical
Support.
SpO
2
: Low Perfusion
(Masimo/DPM only)
1Patient perfusion is low. 1Check to patient
connection and patient
status.
SpO
2
: Too Much Light
(Masimo/DPM only)
1There is too much
ambient room light for the
sensor to function
properly.
1Minimize the room light
around the patient. Check
sensor.
SpO
2
: Unrecognized Sensor
(Masimo SET Only)
1The 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.
1Power cycle unit. If
problem persists, contact
Technical Support.
SpO
2
: Board Fault
(Masimo Only)
1Masimo 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)
1Motion is detected. 1Decrease patient motion,
check sensor.
SpO
2
: Weak Pulse
(Nellcor Only)
1Low pulse amplitude. 1Contact Technical
Support.
SpO
2
: Low Signal
(Nellcor Only)
1The SpO
2
signal is too
low or too weak.
1Check sensor placement,
move as necessary.
2 Switch limb / Notify
physician.
SpO
2
: Check Sensor
(Nellcor Only)
1The SpO
2
module has
sensed a poor connection
or a bad sensor.
1Reconnect the same
sensor. If problem
persists, replace sensor.
SpO
2
: Weak Signal
(Nellcor Only)
1The SpO
2
signal is too
low or too weak.
1Check patient.
2Reposition sensor.
3Change sensor.
Unable to obtain SpO
2
reading
1Patient has poor
perfusion. Sensor not on
Patient.
2Cables loose / not
connected.
3Ambient light.
1Switch limbs / Notify
physician.
2Reapply sensor.
3Check connections,
switch cable.
4Switch limbs and cover
sensor with opaque
material.
No SpO
2
waveform 1 Waveform not selected to
Display.
2Cable or sensor not
plugged in.
1Go to the Display Setup
Menu, choose to display
Pleth in the waveform
area.
2Check cable and sensor.
SpO
2
: Initialization Error 1 No response after send
order during
initialization.
1Contact Technical
Support.
MESSAGE/ PROBLEM REASON SOLUTION