Beurer FT 58 Gebrauchsanweisung Seite 24

Error Cause
message
The ear thermometer
ER4
registered a large
change in the ambient
temperature.
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.
In­ear measurement:
the measured tem­
perature is over 43 °C
(109.4 °F).
Object measurement:
the measured temper­
ature is over 100 °C
(212 °F).
Solution
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.
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.
Error Cause
message
In­ear measurement:
the measured temper­
ature is below 28 °C
Lo
(82.4 °F).
Object measurement:
the measured
temperature is below
­20 °C (­4 °F).
The batteries are
empty.
If you cannot fi nd a solution to your problem here, contact our
Customer Services.
24
Solution
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.