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Errors and troubleshooting
Error Message
12
Situation
When 20% of battery
life is left, the display
flashes the low battery
warning symbol. 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 measured
temperature is lower
than 93.9 °F (34.4 °C)
or higher than 108 °F
(42.2 °C) or when the
room temperature is
outside the operating
range of 59 °F-104 °F
(15°C-40°C).
Blank display.
Thermometer does
not have power.
Solution
Replace battery.
Replace battery.
Make sure the
protective cap is
removed. Re-measure
the temperature again,
carefully following
the instruction in
"How to use" section.
Please check if the battery
has been loaded correctly.
Also check polarity (<+>
and <–>) of batteries.
Contact Consumer
Relations if thermometer
still does not function.
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Questions and answers
My thermometer was working during the day but at night when room is cooler I'm getting the ERR red light error message?
The Braun No Touch + Forehead thermometer may show an ERR red light error message at night when the room is cooler because the backlight remains off when the measured temperature is below 34.4°C (93.9°F). If the room is too cool, the thermometer may register a low temperature reading, triggering an error.
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how to make braun no touch SET for adult reading (not pediatric)