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FAULT INDICATION
FAULT OR
FAULT
SYMBOL
FAULT DE-
SCRIPTION
CORRECTIVE
MEASURE
No display
on the LCD
panel
The battery
has run out.
Incorrect bat-
tery polarity.
Replace the
battery. Ple-
ase note:
The (+) side
of the battery
must face
upwards.
Measurement
not possible
(or an abnor-
mal value is
displayed)
The thermo-
meter is not
ready.
Wait until the
°C symbol is
displayed.
An abnormal
temperatu-
re value is
displayed.
The probe
tip is dirty or
damaged. Did
you hear the
beep after
pressing the
ON button?
Clean the
probe tip or
get it repaired.
Wait until
you hear the
beep before
removing the
thermometer
from the ear or
forehead.
LO or HI
symbol is
displayed
The tempera-
ture measured
is outside the
measuring
range
(0 °C -100 °C
or
32 °F-212°F)
Low:
temperature
too low
High:
temperature
too high
Check that the
probe tip is
clean and that
the thermome-
ter is properly
inserted into
the ear or
placed on the
forehead.
11 - GB
GB
12


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