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Troubleshooting
MESSAGE
Body
C
°
Body
C
°
Body
°
C
Body
°
C
Surface temp
Body
°
MEMO
C
Room
°
F
Time
10
SITUATION
Temperature taken in not within
Typical human temperature range.
(34.0°C~43°C or 93.2°F~109.4°F).
Measured over the distance:
1-5 cm (0.4-2in)
Incorrect test position.
Subjects forehead hair, Antipyretic
stickers, head with sweat, etc.
Operating temperature
exceeds the range of specified
temperature
15°C – 40°C (59°F – 104°F).
The screen flicker, automatically
turns off.
Low Battery Warning: When
the battery is running low, the
display flashes the low battery
warning symbol; however, the
device can still work until the
battery life has 0% left
Dead Battery Warning: Device
cannot take temperature.
Ambient temperature changes
too fast
(1) Power is off.
(2) Improper battery installation.
(3) The battery is exhausted.
(4) Display remains blank.
SOLUTION
Make sure the forehead
thermometer is for forehead
measurement, not another
human body site.
Verify that you are measuring from
1-5 cm (0.4-2in) of the forehead.
See figure 2 measuring
position and distance.
Have subjects sit quietly 5-10
minutes before the test.
Move to a room within the
operating range and wait
30 minutes before taking
temperature.
Replace battery or the product
has been damaged, and needs
repairs
Install a new battery. See
"Replacing the Battery" for
instructions.
Install a new battery. See "Replacing
the Battery" for instructions.
Wait until the ambient
temperature is stable.
(1) Press ON button again.
(2) Check the battery polarity.
(3) Replace with a new battery.
(4) Contact the retailer or service
center.
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