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our after-sales service. Do not attempt to repair the instrument!
Symptom
Possible Cause
Description & Solution
Failed to
power on.
The battery level is too
low
Replace with a new battery
Polarities of the
batteries are reversed.
Ensure the batteries are in the
right position
Display “Lo”
or “Hi”
Out of measurement
range
Body temperature
mode
：
<32.1
℃
displays Lo
>42.9
℃
displays Hi
1.Make sure there are no
sweat or other objects on
the measured parts.
2.Make sure the air is stable
when taking a measurement.
3.Make sure the
measurement distance is
within 3-5cm.
Display “Err”
The ambient
temperature is too
high or too low.
Please keep the thermometer
in the new measurement
environment for at least 30
minutes.
The battery
icon flashing
The battery level is too
low
Replace two new AAA
batteries.
15.
Storage requirements:
keep the thermometer in a non-corrosive gas, dry area, well-ventilated
place at a relative humidity less than 85%.
Production date
: Refer to the production batch label.
Shelf life
: three years.
16.
Symbols
3V DC power supply
Type B applied part
Waste batteries should be sent to a dedicated collection point
for recycling follow the local laws and regulations.
Attention! Refer to the attached document.
This manual is paper and can be recycled