Message
Problem
(1) In forehead mode:
measurement temperature
below +34.0 °C (93.2 °F)
(2) Surface measurement:
measurement temperature
below -22.0 °C (-7.6 °F)
The device cannot be
switched on and the
display is empty.
5
TECHNICAL DATA
Temperature measuring range
Forehead mode:
Surface temperature mode:
Possible cause
The
temperature of
the object to be
measured is
outside the
specified
measuring
range (too
cold).
Insulation strips
have not been
removed from the
battery
Battery empty
Battery inserted
incorrectly when
changed.
±0.2°C (0.4°F) within 35.0~42.0°C
(95.0~107.6°F),
±0.3°C (0.5°F) for other range
±0.3°C (0.5°F) within 22.0~42.2°C
(71.6~108°F),
others ±4% or ±2°C (4.0F) whichever is greater.
- 44 -
Solution
Take a measurement in
the specified
temperature range.
If the device is still
malfunctioning,
contact your retailer.
Remove the insulation
strips from the battery.
Replace the battery
(see section. 3.1).
Insert the battery
correctly (see
section. 3.1).