User's Manual

12
5. Trouble Shooting
Problem
Possible Cause
Recommended
Action
Can not boot
Very low battery
Please charge it
according to the
instruction
The ambient tem
perature exceeds
40℃ or below
5℃.
Please use
within the
working
environment
temperature
range (5
℃
-40
℃
)
The monitor
cannot be
connected to
other devices
Other devices have
Bluetooth turned off
Turn on the
devices
Bluetooth from
the setting menu.
Other devices don’t
support the
Bluetooth 4.0 BLE
Change to a
compatible one.
Inaccurate
measured
value
The temperature
measuring
heads are placed in
different
positions, resulting
in different
readings.
Check whether
the
thermometer is
placed in the
correct
position as
described
in “Using the
thermometer”.
Thermometer
moves while
measuring
temperature.
The measured
position is
not kept closed
while the
temperature
measurement
is being performed.