Trouble-Shooting - Grundig MDI231 User Manual

13. Trouble-shooting

Troubles or
error message
No response/
Automatically
reset
The
thermometer
show the
symbol "Hi"
The
thermometer
show the
symbol "Lo"
Checklists or
situation
The batteries
are used up?
Battery in wrong
polarity or type?
Poor battery
contact
Temperature
hampered by an
air flux.
In the forehead
measurement
mode:
--Temperature
readings too
close
together.
-- Measured the
other object,
such
as the sunlight,
the air from the
fireplace.
Hi: Higher than
43.0°C(109.4°F);
The hair and
sweat prevent
the temperature
achievement.
Temperature
hampered by an
air flux.
In the forehead
measurement
mode:
-- The measuring
distance is
too far.
-- Measured the
other object,
such
as the air from
the
air conditioner.
Lo: Less than
32.0°C (89.6°F)
25
Countermeasures or
solution
Replace new
batteries.
Take out the
batteries and replace
new ones.
Take out batteries
and reinsert it correct.
Please leave the
status and wait
for 30 minutes to
measure.
Re-measure
according to the
manual.