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9. Cleaning and storage
Protective caps are only intended for
single use.
The sensor tip is the most sensitive part
of the ear thermometer. Work carefully
when cleaning the sensor tip to avoid
causing any damage. Use a clean cloth
or cotton bud that can be moistened with
disinfectant, alcohol or warm water.
To clean the entire device, use a soft cloth slightly moistened
with a mild soapy solution.
Do not use any harsh cleaning products.
If prolonged storage is intended, you should remove the bat
teries. The device must not be stored or used at an excessively
high or low temperature or humidity (see technical data), in
sunlight, in association with an electrical current or in dusty
locations. Otherwise inaccuracies can occur.
10. Disposal
The empty, completely flat batteries should be disposed of
through specially designated collection boxes, recycling points
or electronics retailers. You are legally required to dispose of
the batteries.
Note: The codes below are printed on batteries con
taining harmful substances: Pb = Battery contains
lead, Cd = Battery contains cadmium, Hg = Battery
contains mercury.
For environmental reasons, do not dispose of the device in the
household waste at the end of its useful life. Dispose
of the unit at a suitable local collection or recycling
point. Dispose of the device in accordance with EC
Directive – WEEE (Waste Electrical and Electronic
Equipment). If you have any questions, please contact the lo
cal authorities responsible for waste disposal.
11. What if there are error messages?
Error
message
Cause
Solution
E 1
The ear thermometer
is not yet ready for
measurement.
Take measurements only
once body ( ) or object
temperature mode (
)
appears on the display.
E 2
The measured ambi
ent temperature is not
in the range from 10 °C
– 40 °C (50 – 104 °F).
Place the ear thermometer
in a room with an ambient
temperature between 10 °C
and 40 °C (50 °F and 104 °F)
for at least 30 minutes.
E 3
The ear thermometer
is not placed in the ear
correctly.
Please observe the notes
in the chapter “Measuring”.
Perform the measurement
again.
E 4
The ear thermometer
registered a large
change in the ambient
temperature.
Place the ear thermometer
in a room with an ambient
temperature between 10 °C
and 40 °C (50 °F and 104 °F)
for at least 30 minutes.
