TROUBLE SHOOTING
Performance may be degraded should one or more of the following
occur:
• Operation outside stated temperature and humidity range.
• Storage outside state temperature and humidity range.
• Mechanical shock.
• Patient temperature is below ambient temperature.
The following chart indicates error messages that may appear on your
display, why they appear, and how you may solve the problem.
Error Symbol
(blank display)
20 • English
Problem or Cause
Low battery.
Unit turned off or
battery problem.
Temperature
measurement is below
typical temperature
range.
Temperature
measurement is above
typical temperature
range.
Ambient air temperature
is outside of the
acceptable operating
range (59° F - 95° F
or 15° C - 35° C).
Solution
Replace batteries before
using thermometer again.
Press Power button to
activate unit. Check battery
type or polarity (position in
the unit).
Replace battery.
Reposition the
thermometer and try again.
Reposition the
thermometer and try again.
Use the thermometer in
an environment within the
permissible temperature
range.