Problem/symbol
Cleaning and care advice
The sensor is the most sensitive part of the infrared thermometer. Be careful
not to touch or scratch the surface of the measurement sensor. In case of dirt,
carefully and gently rub the sensor using a cotton swab soaked in alcohol or mild
cleaning agent (e.g. strongly diluted washing-up liquid). Do not use any aggressive
Possible cause
Measured body
temperature exceeds
42.9 °C (109.2 °F).
Measured object/
ambient temperature
exceeds 100 °C
(212 °F).
Measured body
temperature is below
32 °C (89.6 °F).
Measured object/
ambient temperature
is below 0 °C (3 °F).
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Action
Check whether you are
using the correct
measuring mode (body
temperature/ object
temperature). Repeat
the measurement.
Make sure the
measurement sensor is
positioned correctly.
Check whether you are
using the correct
measuring mode (body
temperature/ object
temperature). Repeat
the measurement.
Make sure the
measurement sensor
is positioned correctly.