Error
Possible cause
The device does not work.
Is the battery empty?
Incorrect measurement display.
Is the wrong emission level set?
Is the lens dirty?
Is the measuring surface covered with a
glass pane?
Was the permissible operating temperature
exceeded or fallen below?
14. Disposal
a) Product
Electronic devices are recyclable waste and must not be disposed of in the household
waste. Always dispose of the product according to the relevant statutory regulations.
Remove any inserted batteries and dispose of them separately from the product.
b) Batteries
You are required by law to return all used batteries (Battery Directive). Batteries must
not be placed in household waste.
Batteries containing hazardous substances are labelled with this symbol to indicate
that disposal in household waste is forbidden. The abbreviations for heavy metals in
batteries are: Cd = Cadmium, Hg = Mercury, Pb = Lead (indicated on the battery, e.g.
below the trash icon on the left).
Used batteries can be returned to local collection points, our stores or battery retailers.
You thus fulfil your statutory obligations and contribute to the protection of the environment.
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