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 local authorities responsible for waste disposal.
11. What if there are error messages?
Error
Cause
message
The ear thermometer
ER1
is not yet ready for
measurement.
The measured ambi-
ER2
ent temperature is not
in the range from 10 °C
– 40 °C (50 – 104 °F).
The ear thermometer
ER3
is not placed in the ear
correctly.
The ear thermometer
ER4
registered a large
change in the ambient
temperature.
Solution
Take measurements only
once body ( ) or object
temperature mode (
)
appears on the display.
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.
Please observe the notes
in the chapter "Measuring".
Perform the measurement
again.
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.
Error
Cause
message
The ear thermom-
ER5
eter is not working
properly.
You are in the "Measur-
ER6
ing object temperature"
mode and the protec-
tive cap is still on.
In-ear measurement:
the measured tem-
perature is over 43 °C
(109.4 °F).
Object measurement:
the measured temper-
ature is over 100 °C
(212 °F).
In-ear measurement:
the measured temper-
ature is below 34°C
Lo
(93.2°F).
Object measurement:
the measured
temperature is below
-20 °C (-4 °F).
The batteries are
empty.
26
Solution
Replace the batteries and
try again. If the fault occurs
again, contact Customer
Services.
The protective cap must be
removed to measure object
temperatures.
Ensure that the device and
the protective cap are fully
functioning. Perform the
measurement again.
Ensure that the device and
the protective cap are fully
functioning. Perform the
measurement again.
Remove the two empty
batteries and insert two
new 1.5 V AAA batteries in-
to the ear thermometer.