37
display (Transmit LED is illuminated in green).
If two errors of different types occur, the communication error is
categorized and indicated as severe.
11 Maintenance and cleaning
The product is maintenance-free besides possibly requiring a
battery change. Maintenance or repairs are only to be done by
trained professionals. Clean the product using a soft, clean, dry
and lint-free cloth.
To remote heavier contamination, make the cloth damp with
lukewarm water. Cleaning agents that contain solvents are not to
be used because it can harm the plastic housing and the labels.
