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Errors and troubleshooting
Error message
Situation
When 20% of battery life is left, the
display flashes the low battery warning
symbol; however, the device can still
work until the battery life has 0% left.
If the steady battery icon is
the only symbol shown on the display,
the device cannot work. The battery
should be replaced immediately.
This message displays when the
measured temperature is lower than
34.4 °C or higher than 42.2 °C or when
the room temperature is outside the
operating range of 15 °C – 40 °C.
Blank display. Thermometer does not
have power.
Solution
Replace batteries.
Replace batteries.
Re-measure the temperature,
carefully following the instructions
in "How to use" section.
Please check if the batteries have
been loaded correctly. Also check
polarity (<+> and <–>) of batteries.
Contact customer service if
thermometer still does not
function.
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