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@nursalonline
This warns you the
battery is low,
although the device
can still be used.
Replace the batteries
soon.
The ambient
temperature range is
beyond the
measurement range
of (10°C-40°C/50°F
-104.0°F).
Keep the
thermometer in a
room where
temperature is
(10°C-40°C/50°F
-104.0°F) for 30
minutes.
The hardware is
damaged.
Excluding the
possibility of
temperature errors
first, send the device
to your dealer for
repair.