Chapter 8: Maintenance and Troubleshooting
8-2 UT100 Handheld Pulse Oximeter Operation Manual
Temperature:
-20
o
C to +60
o
C
Relative Humidity:
10% to 95%
(noncondensing)
8.3 Troubleshooting
PROBLEM
POSSIBLE CAUSE CORRECTIVE ACTION
No pulse shown on the
bargraph.
•
Patient cable or sensor is
disconnected from the
oximeter.
•
Sensor is incorrectly
positioned on the
patient.
•
Poor patient perfusion.
•
Defective sensor or
patient
cable.
•
Check sensor
connections to
the patient cable and
to the
oximeter.
•
Reposition the sensor.
•
Reposition the sensor.
•
Try a new sensor or
contact your authorized
repair center for help.
Pulse rate is
erratic,
intermittent, or
incorrect.
•
Sensor
incorrectly
positioned.
•
Patient motion
•
Reposition the sensor.
•
Patient must remain still to
obtain an accurate
measurement.
SpO
2
value is
erratic, intermittent,
or incorrect.
•
Poor patient perfusion.
•
Patient motion.
•
Reposition the sensor.
•
Patient must remain still to
obtain an accurate
measurement.
No PR and SpO
2
values.
•
Defective sensor or
patient
cable or monitor.
•
Try a new sensor or contact
your authorized repair center
for help.
Battery Abnormal
•Charging alkaline
batteries.
•Batteries incorrectly
installed.
•There are no batteries.
•Install Ni-MH cells in stead
of alkaline ones.
• Reposition batteries
correctly.
•Equip with oximeter with
batteries.
The oximeter doesn’t
turn
on.
•
Batteries weak.
•
Batteries not installed or
batteries
incorrectly
installed.
•
Replace the batteries.
•
Ensure the batteries are
installed
correctly.
The oximeter turns off
unexpectedly.
•
Batteries are weak or
dead.
•
Replace the batteries.
