Chapter 10: Troubleshooting
Pulse Oximeter for Sleep Screening Operation Manual
10-1
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
No pulse shown on the
bargraph.
Patient cable or sensor is
disconnected from the
oximeter.
Check sensor connections to the patient cable
and to the oximeter.
Sensor is incorrectly
positioned on the patient.
Reposition the sensor.
Poor patient perfusion.
Reposition the sensor.
Defective sensor or
patient cable.
Try a new sensor or contact your authorized
repair center for help.
Monitor is in the Data
Collection or Trend Print
Mode.
None required.
Pulse rate is erratic,
intermittent, or incorrect.
Sensor incorrectly
positioned.
Reposition the sensor.
Patient motion
Patient must remain still to obtain an accurate
measurement.
SpO
2
value is erratic,
intermittent, or incorrect.
Poor patient perfusion.
Reposition the sensor
Patient motion.
Patient must remain still to obtain an accurate
measurement.
The oximeter doesn’t turn
on.
Batteries weak.
Replace the batteries.
Batteries not installed
or batteries incorrectly
installed.
Ensure the batteries are installed correctly.
The oximeter displays only
one flashing LED with no
SpO
2
or heart rate
The oximeter has been
on continuously and
collecting data for 10
minutes and has gone into
the Data Collection Mode.
If not collecting trend data, press and hold the
x
key for 6 seconds, which will turn off the unit. To
return monitor to Verification Mode, hold
F
key
for 6 to 8 seconds at power up. This will clear the
trend data and switch the unit to the Verification
Mode.
No printout on built-in
printer.
Batteries are weak.
Replace the batteries.
Batteries are not properly
installed.
Ensure the batteries are installed properly.
No trends in memory.
Take trend data.
Printer interface
malfunction.
Contact your authorized repair center for help.
E00
ROM Error
Contact Smiths Medical PM, Inc. service
representative
E01
RAM Error
Contact Smiths Medical PM, Inc. service
representative
Chapter 10: Troubleshooting
