13
12. Troubleshooting
Problem
Possible Causes
Solutions
Device does not
power on
• Batteries are low.
• Poor battery contact.
• Replace batteries.
• Batteries are not inserted
correctly.
• Reinstall batteries ensuring
correct orientation (see
section 7.3).
Battery icon
flashes on display
• Batteries are too low to operate
the thermometer.
• Replace batteries.
Temperature
reading shows
“
Hi
”
• Changes in environment or air
pressure.
• Allow the thermometer to sit
for up to 30 minutes before
taking another measurement.
• The measurement mode switch
is set to
BODY
when you are
intending to measure an object.
• Set the measurement mode
switch to
SURFACE
.
• The temperature you are try to
measure is outside this device’s
measurable range.
• This device cannot measure
temperatures over 109.4°F
(43°C) in
BODY
mode or 212°F
(100°C) in
SURFACE
mode.
Temperature
reading shows
“
Lo
”
• Changes in environment or air
pressure.
• Allow the thermometer to sit
for up to 30 minutes before
taking another measurement.
• Hair, sweat, dirt, or other
objects on the forehead are
interfering with the reading.
• Remove any hair, clothing,
or perspiration covering the
forehead.
• The measuring distance is
too far.
• Position the thermometer a
distance of 1 to 2 inches (3 to
5cm) away from the person or
object being measured.
• Moisture or water vapor has
condensed on the sensor lens.
• Clean the IR sensor lens (see
section 8).
• The measurement mode switch
is set to
BODY
when you are
intending to measure an object.
• Set the measurement mode
switch to
SURFACE
.
• The temperature you are try to
measure is outside this device’s
measurable range.
• This device cannot measure
temperatures under 89.6°F
(32°C) in
BODY
mode or 32°F
(0°C) in
SURFACE
mode.
Display shows
“
Err
”
• Ambient temperature is outside
of the allowed range of 50 to
104°F (10 to 40°C).
• Use in a room inside the
allowed temperature range.
• The sensor or hardware is
damaged.
• Contact RadioShack
Customer Care.
If you encounter a problem not listed, contact RadioShack Customer Care.